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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred tax assets |  |
Allowance for loan losses | $ 13,854 | $ 12,711
Liability for unfunded commitments | 2,196 |
Interest on nonperforming loans | 98 | 142
Accrued expenses | 1,227 | 894
Write-down of foreclosed assets | 35 | 131
Write-down of fixed assets | 62 | 114
Income recognized for tax in excess of book related to terminated cash flow derivatives | 6,978 | 8,830
Partnership tax credits |  | 11
Deferred income | 298 | 885
Difference in basis for acquired assets and liabilities | 893 | 1,532
Deferred Tax Assets, Gross, Total | 25,641 | 25,250
Deferred tax liabilities |  |
Tax depreciation in excess of book depreciation | (5,681) | (5,988)
FHLB stock dividends | (313) | (368)
Partnership tax credits | (251) |
Prepaid expenses | (883) | (898)
Unrealized gain on available-for-sale securities | (2,698) | (6,869)
Unrealized gain on terminated cash flow derivatives | (6,978) | (8,830)
Other | (328) | (258)
Deferred Tax Liabilities, Gross, Total | (17,132) | (23,211)
Net deferred tax asset | $ 8,509 | $ 2,039

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