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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Taxes
Federal corporate income tax rate	21.00%	21.00%	21.00%
Deferred tax assets
Allowance for loan losses and OREO losses	$ 9,960	$ 9,743
Nonqualified defined contribution plan	3,948	3,595
Lease liabilities	2,057	1,906
Fair value adjustments related to business combinations	1,119	1,716
Share-based compensation	752	920
Reserve for indemnification losses	821	879
Accrued expenses	352	779
Cash flow hedges	158	471
Other	1,275	1,364
Deferred tax assets	20,442	21,373
Deferred tax liabilities
Goodwill and other intangible assets	(3,114)	(3,164)
Right of use assets	(1,938)	(1,868)
Depreciation	(989)	(1,272)
Net unrealized gain on securities available for sale	(116)	(1,169)
Defined benefit plan	(677)	(345)
Deferred tax liabilities	(6,834)	(7,818)
Net deferred tax asset	$ 13,608	$ 13,555

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