| 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: Central Government: Long Term: Up to 1 Year: Debt S... (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.00
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: General Government (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 438.20
            
                                            Mar 2017
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: Central Government: Loans (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 409.30
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: General Government: Long Term: Up to 1 Year: Loans (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 7.20
            
                                            Mar 2017
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: General Government: Long Term: Over 1 Year (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 420.60
            
                                            Mar 2017
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: Central Government: Debt Securities (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 62.10
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: General Government: Foreign Currency (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 382.30
            
                                            Mar 2017
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: General Government: Short Term: Debt Securities (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.00
            
                                            Mar 2017
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: Central Government: Long Term: Over 1 Year: SDRs (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.00
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: General Government: Long Term: Up to 1 Year (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 17.60
            
                                            Mar 2017
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Jun 2012 - Mar 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: General Government: Long Term: Over 1 Year: Loans (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 375.10
            
                                            Mar 2017
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: Central Government: Long Term: Over 1 Year: Debt Se... (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 62.10
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: General Government: Domestic Creditors (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 55.90
            
                                            Mar 2017
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: General Government: Long Term (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 438.20
            
                                            Mar 2017
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: Central Government (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 471.40
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: Central Government: Foreign Currency (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 409.30
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: USD: Central Government: Debt Securities and Loans (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 214.53
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: USD: General Government: Debt Securities and Loans (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 196.58
            
                                            Mar 2017
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: USD: Central Government: Domestic Currency (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 28.26
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: USD: General Government (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 196.58
            
                                            Mar 2017
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: USD: Central Government: Foreign Currency (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 186.27
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: USD: Central Government: Long Term: Over 1 Year: Cu... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.00
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: USD: Central Government: Long Term: Up to 1 Year: C... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.00
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: USD: General Government: Domestic Currency (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 25.08
            
                                            Mar 2017
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: USD: General Government: Foreign Currency (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 171.50
            
                                            Mar 2017
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: USD: Central Government: External Creditors (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 186.27
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: USD: Central Government: Domestic Creditors (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 28.26
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: USD: General Government: Domestic Creditors (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 25.08
            
                                            Mar 2017
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: USD: General Government: External Creditors (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 171.50
            
                                            Mar 2017
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: USD: Central Government (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 214.53
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: USD: Central Government: Short Term: Currency and D... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.00
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Gross Public Debt: USD: Central Government: Long Term: Over 1 Year (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 204.70
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2009 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Other Business (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 -0.98
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Other Business: Credit (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.72
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Other Business: Debit (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1.70
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Other Business: Professional & Managem... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 -5.89
            
                                            2013
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2003 - 2013
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Other Business: Professional & Managem... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.13
            
                                            2010
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2003 - 2010
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Other Business: Professional & Managem... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 5.89
            
                                            2013
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2003 - 2013
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Other Business: Technical, Trade Relat... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 -0.30
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Other Business: Technical, Trade Relat... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.72
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Other Business: Technical, Trade Relat... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1.02
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Personal, Cultural & Recreational (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 -0.06
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2000 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Personal, Cultural & Recreational: Cre... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.00
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2000 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Personal, Cultural & Recreational: Deb... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.06
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 2000 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Personal, Cultural & Recreational: Aud... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 -0.21
            
                                            2010
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2003 - 2010
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Personal, Cultural & Recreational: Aud... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.11
            
                                            2010
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2003 - 2010
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Personal, Cultural & Recreational: Aud... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.32
            
                                            2010
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2003 - 2010
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Personal, Cultural & Recreational: Oth... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 -0.06
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 2003 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Personal, Cultural & Recreational: Oth... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.00
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 2003 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Personal, Cultural & Recreational: Oth... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.06
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 2003 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Government Goods & Services, n.i.e. (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 -0.17
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Government Goods & Services, n.i.e.: C... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.36
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Services: Government Goods & Services, n.i.e.: D... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.53
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.39
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Credit (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 7.20
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Debit (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 6.80
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Compensation of Employees (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 5.58
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Compensation of Employees: Credi... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 5.91
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Compensation of Employees: Debit (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.33
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 -5.32
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Credit (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1.15
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Debit (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 6.47
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Direct Invest... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1.14
            
                                            Dec 2012
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Dec 2012
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Direct Invest... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 6.19
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Direct Invest... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 -6.19
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Direct Invest... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1.14
            
                                            Dec 2012
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Dec 2012
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Direct Invest... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 6.19
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Direct Invest... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 -3.90
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Direct Invest... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1.14
            
                                            Dec 2012
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Dec 2012
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Direct Invest... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 3.90
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Others (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 -0.11
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Others: Credi... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 3.32
            
                                            2013
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            1971 - 2013
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Others: Debit (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.28
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Others: Inter... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 -0.11
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Others: Inter... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 3.32
            
                                            2013
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            1971 - 2013
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Others: Inter... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.28
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Others: Inter... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 -1.02
            
                                            2010
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            1971 - 2010
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Others: Inter... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1.92
            
                                            2010
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            1971 - 2010
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Primary Income: Investment Income: Others: Inter... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2.94
            
                                            2010
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            1971 - 2010
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Secondary Income (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 35.99
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Secondary Income: General Government (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 8.57
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: BoP: Current Account: Secondary Income: Financial Corporations, Non Fi... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 27.42
            
                                            Jun 2014
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Sep 1977 - Jun 2014
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Exports: fob: European Union (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.27
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            1979 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Deposit Takers: Asset Quality: Total Gross Loans (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 440.29
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2009 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Deposit Takers: Assets: Financial: Debt Securities (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 22.24
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2009 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Deposit Takers: Liabilities: Debt: Currency and Deposits: Interbank (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 7.04
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2009 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Deposit Takers: Assets: Financial: Loans: Gross: Non Interbank: Other ... (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2.17
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2009 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Deposit Takers: Gross Income: Interest Income: Income: Less Provisions... (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.00
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2009 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Deposit Takers: Liabilities: Debt: Currency and Deposits: Customer (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 467.66
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2009 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Deposit Takers: Liabilities: Debt: Currency and Deposits: Interbank: R... (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2.99
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2009 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Deposit Takers: Assets: Financial: Loans: Gross: Interbank: Non Reside... (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.00
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2009 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Deposit Takers: Assets: Financial: Loans: Gross (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 440.29
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2009 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Deposit Takers: Assets: Financial: Loans: Gross: Non Interbank: Other ... (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 249.41
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2009 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Deposit Takers: Liabilities: Debt: Loans (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 7.31
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2009 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Deposit Takers: Gross Income: Non Interest Income: Prorated Earnings (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.00
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2009 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Deposit Takers: Asset Quality: Sectoral Distribution of Total Loans: R... (%)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 56.65
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2009 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Deposit Takers: Liabilities (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 636.02
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2009 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Deposit Takers: Sensitivity to Market Risk: Net Open Position in Forei... (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 9.10
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2009 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Deposit Takers: Assets (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 794.95
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2009 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Tonga TO: Deposit Takers: Assets: Financial: Loans: Gross: Interbank: Residents (TOP mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.00
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2009 - 2017
                                         |