Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Retained Earnings (Accumulated Deficit)	Deferred Compensation	Common Stock Held By Deferred Compensation Trust	Accumulated other comprehensive loss
Balance, Shares at Dec. 31, 2020		5,787,504
Balance, Amount at Dec. 31, 2020	$ 139,899	$ 56,871	$ 77,628	$ 1,796	$ (1,796)	$ 5,400
Common Stock Repurchase	0	0	0	0	0	0
Cash Dividends Declared On Common Stock	(930)	$ 0	(930)	0	0	0
Restricted Stock Units Exercised, Shares		1,662
Restricted Stock Units Exercised, Amount	39	$ 39	0	0	0	0
Equity Incentive Plan, Net	0	0	0	53	(53)	0
Net Earnings	4,121	0	4,121	0	0	0
Change In Accumulated Other Comprehensive Income, Net Of Tax	(3,100)	$ 0	0	0	0	(3,100)
Balance, Shares at Mar. 31, 2021		5,789,166
Balance, Amount at Mar. 31, 2021	140,029	$ 56,910	80,819	1,849	(1,849)	2,300
Balance, Shares at Dec. 31, 2021		5,661,569
Balance, Amount at Dec. 31, 2021	142,369	$ 53,305	88,968	1,992	(1,992)	96
Common Stock Repurchase	(199)	(199)	0	0	0	0
Cash Dividends Declared On Common Stock	(1,877)	$ 0	(1,877)	0	0	0
Restricted Stock Units Exercised, Shares		1,461
Restricted Stock Units Exercised, Amount	41	$ 41	0	0	0	0
Equity Incentive Plan, Net	0	0	0	50	(50)	0
Net Earnings	3,452	0	3,452	0	0	0
Change In Accumulated Other Comprehensive Income, Net Of Tax	(18,342)	$ 0	0	0	0	(18,342)
Common Stock Repurchase, Shares		7,000
Balance, Shares at Mar. 31, 2022		5,656,030
Balance, Amount at Mar. 31, 2022	$ 125,444	$ 53,147	$ 90,543	$ 2,042	$ (2,042)	$ (18,246)