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v3.23.3

BORROWED FUNDS - Additional Information (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2022
Debt Instrument [Line Items] |  |
Outstanding advances of FRB | $ 304,489 | $ 331,369
Outstanding amount | 63,003 | 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
Amortizing Advances |  |
Debt Instrument [Line Items] |  |
Outstanding amount |  | 288
FHLB advances |  |
Debt Instrument [Line Items] |  |
Outstanding amount | $ 281 |
Advances from the FHLB |  |
Debt Instrument [Line Items] |  |
Outstanding advances of FRB | 295,000 | 318,000
Outstanding amount | 2,581 | 2,588
Credit Facility, Secured, FHLB [Member] |  |
Debt Instrument [Line Items] |  |
Line of credit maintained | 1,000 |
Line of credit outstanding | 0 | 0
Credit Facility, Secured, FRB [Member] |  |
Debt Instrument [Line Items] |  |
Line of credit maintained | 158,000 |
Line of credit outstanding | 0 | 0
Credit Facility, Unsecured, Federal Funds [Member] |  |
Debt Instrument [Line Items] |  |
Line of credit maintained | 50,000 | 50,000
Line of credit outstanding | $ 0 | $ 0

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