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