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Income Taxes - Schedule of deferred tax assets and liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Deferred tax assets |  |
Allowance for credit losses | $ 15,933 | $ 15,911
Liability for unfunded commitments | 2,092 | 1,842
Interest on nonperforming loans | 93 | 71
Accrued expenses and other | 2,123 | 1,676
Capital loss carryforward | 158 | 150
Unrealized loss on available-for-sale securities | 15,055 | 13,208
Unrealized loss on securities transferred to held-to-maturity securities | 64 | 16
Unrealized loss on active cash flow derivatives | 4,186 | 4,255
Income recognized for tax in excess of book related to terminated cash flow derivatives | 1,528 | 3,532
Deferred income | 100 | 124
Difference in basis for acquired assets and liabilities |  | 353
Deferred Tax Assets, Gross, Total | 41,332 | 41,138
Deferred tax liabilities |  |
Tax depreciation in excess of book depreciation | (6,654) | (7,697)
FHLB stock dividends |  | (337)
Partnership tax credits | (1,899) | (998)
Prepaid expenses | (781) | (1,373)
Difference in basis for acquired assets and liabilities | (31) |
Unrealized gain on terminated cash flow derivatives | (1,528) | (3,532)
Other | (263) | (277)
Deferred tax liabilities, gross, total | (11,156) | (14,214)
Net deferred tax asset | $ 30,176 | $ 26,924

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