CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2021	$ 4,389	$ 78,395	$ 146,010	$ (155)	$ (16,147)	$ 212,492
Balance (in shares) at Dec. 31, 2021	4,388,901
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			6,740			6,740
Net other comprehensive income (loss)				(14,610)		(14,610)
Purchase of treasury stock					(7)	(7)
Restricted stock, executive and Board of Director awards		(5)			5	0
Restricted stock vesting		4				4
Forfeited restricted stock		2			(2)	0
Cash dividends			(1,874)			(1,874)
Balance at Mar. 31, 2022	$ 4,389	78,396	150,876	(14,765)	(16,151)	202,745
Balance (in shares) at Mar. 31, 2022	4,388,901
Balance at Dec. 31, 2022	$ 4,428	80,911	164,922	(33,141)	(16,973)	200,147
Balance (ASU 2016-13 [Member]) at Dec. 31, 2022			1,766	0		1,766
Balance (in shares) at Dec. 31, 2022	4,427,687
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			6,867			6,867
Net other comprehensive income (loss)				6,379		6,379
Restricted stock vesting		5				5
Forfeited restricted stock		10			(10)	0
Cash dividends			(1,926)			(1,926)
Balance at Mar. 31, 2023	$ 4,428	$ 80,926	$ 171,629	$ (26,762)	$ (16,983)	$ 213,238
Balance (in shares) at Mar. 31, 2023	4,427,687