CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Unearned Stock Grant Compensation [Member]	Treasury Stock [Member]	Total
Balance, beginning of period at Dec. 31, 2021	$ 55	$ 22,401	$ 57,441	$ 51,264		$ 17,688	$ (73)	$ (7,490)
Balance, beginning of period (ASU 2016-13 [Member]) at Dec. 31, 2021					$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)				2,842					$ 2,842
Other comprehensive income (loss), net of tax						(17,225)			(17,225)
Dividends on common stock				(408)
Dividends accrued on preferred stock				(99)
Restricted stock grants, net of forfeitures			2				(71)	69
Amortization of unearned compensation							27
Net shares acquired related to employee share-based compensation plans								0
Balance, end of period at Mar. 31, 2022	55	$ 22,401	57,443	53,599		463	(117)	(7,421)	$ 126,423
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared on common stock per share (in dollars per share)									$ 0.02
Balance, beginning of period (in shares) at Dec. 31, 2021		20,378,576
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net shares acquired under employee share-based compensation plans (in shares)		0
Restricted stock grants, net of forfeitures (in shares)		25,000
Balance, end of period (in shares) at Mar. 31, 2022		20,403,576
Balance, beginning of period at Dec. 31, 2022	55	$ 22,401	57,425	51,982		(22,149)	(132)	(7,389)	$ 102,193
Balance, beginning of period (ASU 2016-13 [Member]) at Dec. 31, 2022					$ (75)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)				(1,446)					(1,446)
Other comprehensive income (loss), net of tax						3,739			3,739
Dividends on common stock				0
Dividends accrued on preferred stock				(99)
Restricted stock grants, net of forfeitures			0				0	0
Amortization of unearned compensation							73
Net shares acquired related to employee share-based compensation plans								(6)
Balance, end of period at Mar. 31, 2023	$ 55	$ 22,401	$ 57,425	$ 50,362		$ (18,410)	$ (59)	$ (7,395)	$ 104,379
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared on common stock per share (in dollars per share)									$ 0.02
Balance, beginning of period (in shares) at Dec. 31, 2022		20,407,229							20,407,229
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net shares acquired under employee share-based compensation plans (in shares)		(2,530)
Restricted stock grants, net of forfeitures (in shares)		0
Balance, end of period (in shares) at Mar. 31, 2023		20,404,699							20,404,699