XML 86 R69.htm IDEA: XBRL DOCUMENT v3.24.0.1
BORROWED FUNDS - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 30, 2004
Dec. 31, 2023
Dec. 31, 2022
Debt Instrument [Line Items]      
Outstanding advances of FRB   $ 270,765 $ 331,369
Outstanding amount   60,740 62,877
Financial Guarantee | NHTB Capital Trust II and NHTB Capital Trust III      
Debt Instrument [Line Items]      
Debentures issued by variable interest entities $ 20,600    
SOFR | Financial Guarantee      
Debt Instrument [Line Items]      
Interest rate margin 2.79%    
Callable Advances      
Debt Instrument [Line Items]      
Outstanding amount   0 0
Amortizing Advances      
Debt Instrument [Line Items]      
Outstanding amount   288  
FHLB advances      
Debt Instrument [Line Items]      
Outstanding amount   279  
Advances from the FHLB      
Debt Instrument [Line Items]      
Outstanding advances of FRB   232,300 318,000
Outstanding amount   279 2,588
Credit Facility, Secured, FHLB      
Debt Instrument [Line Items]      
Line of credit maintained   1,000  
Line of credit outstanding   $ 0 0
Federal Reserve Bank Advances      
Debt Instrument [Line Items]      
Fixed interest rate   4.85%  
Principal amount of debt issued   $ 30,000  
Maturity period   1 year  
Outstanding advances of FRB   $ 30,000 0
Credit Facility, Secured, FRB      
Debt Instrument [Line Items]      
Line of credit maintained   156,600 90,400
Credit Facility, Unsecured, Federal Funds      
Debt Instrument [Line Items]      
Line of credit maintained   50,000 50,000
Line of credit outstanding   $ 0 $ 0