Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock Including Additional Paid in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock Including Additional Paid in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2021					5,816,991
Balance at Dec. 31, 2021					$ 26,801	$ 105,681	$ 1,600	$ 134,082
Net income						5,718		5,718
Other comprehensive loss							(15,984)	(15,984)
Cash dividends on common stock						(932)		(932)
Exercise of stock options and tax effect (in shares)					19,775
Exercise of stock options and tax effect					$ 131			131
Stock-based compensation expense					$ 58			58
Balance (in shares) at Mar. 31, 2022					5,836,766
Balance at Mar. 31, 2022					$ 26,990	110,467	(14,384)	123,073
Balance (in shares) at Dec. 31, 2022					5,850,216
Balance (Accounting Standards Update 2016-13 [Member]) at Dec. 31, 2022		$ (554)		$ (554)
Balance at Dec. 31, 2022					$ 27,372	128,388	(36,756)	119,004
Net income						7,626		7,626
Other comprehensive loss							3,974	3,974
Cash dividends on common stock						(1,463)		(1,463)
Exercise of stock options and tax effect (in shares)					11,932
Exercise of stock options and tax effect					$ 137			137
Stock-based compensation expense					$ 99			99
Balance (in shares) at Mar. 31, 2023					5,862,148
Balance at Mar. 31, 2023					$ 27,608	$ 133,997	$ (32,782)	$ 128,823