Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [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				18,626		18,626
Other comprehensive loss					(43,895)	(43,895)
Cash dividends on common stock				(2,802)		(2,802)
Issuance of restricted shares (in shares)			1,650
Exercise of stock options and tax effect (in shares)			30,075
Exercise of stock options and tax effect			$ 277			277
Stock-based compensation expense			$ 162			162
Balance (in shares) at Sep. 30, 2022			5,848,716
Balance at Sep. 30, 2022			$ 27,240	121,505	(42,295)	106,450
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				22,255		22,255
Other comprehensive loss					(16,909)	(16,909)
Cash dividends on common stock				(4,395)		(4,395)
Exercise of stock options and tax effect (in shares)			19,032
Exercise of stock options and tax effect			$ 261			261
Stock-based compensation expense			$ 263			263
Termination of restricted shares (in shares)			(825)
Balance (in shares) at Sep. 30, 2023			5,868,423
Balance at Sep. 30, 2023			$ 27,896	$ 145,694	$ (53,665)	$ 119,925