CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Unearned Stock Grant Compensation [Member]	Treasury Stock [Member]	Total
Balance, beginning of period at Dec. 31, 2020	$ 55	$ 22,401	$ 57,437	$ 47,790	$ 25,000	$ (284)	$ (7,339)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)				1,616				$ 1,616
Other comprehensive loss, net of tax					(6,011)			(6,011)
Dividends on common stock				(408)
Dividends accrued on preferred stock				(299)
Restricted stock grants, net of forfeitures			0			0	0
Amortization of unearned compensation						184
Net shares acquired related to employee share-based compensation plans							(153)
Issuance of shares under stock plans			4				2
Balance, end of period at Sep. 30, 2021	55	$ 22,401	57,441	48,699	18,989	(100)	(7,490)	$ 139,995
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, 2020		20,415,243
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net shares acquired under employee share-based compensation plans (in shares)		(38,147)
Issuance of shares under stock plans (in shares)		1,480
Restricted stock grants, net of forfeitures (in shares)		0
Balance, end of period (in shares) at Sep. 30, 2021		20,378,576
Balance, beginning of period at Jun. 30, 2021	55	$ 22,401	57,439	49,714	20,277	(150)	(7,361)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)				(915)				$ (915)
Other comprehensive loss, net of tax					(1,288)			(1,288)
Dividends on common stock				0
Dividends accrued on preferred stock				(100)
Restricted stock grants, net of forfeitures			0			0	0
Amortization of unearned compensation						50
Net shares acquired related to employee share-based compensation plans							(129)
Issuance of shares under stock plans			2				0
Balance, end of period at Sep. 30, 2021	55	$ 22,401	57,441	48,699	18,989	(100)	(7,490)	$ 139,995
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared on common stock per share (in dollars per share)								$ 0
Balance, beginning of period (in shares) at Jun. 30, 2021		20,410,763
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net shares acquired under employee share-based compensation plans (in shares)		(32,668)
Issuance of shares under stock plans (in shares)		481
Restricted stock grants, net of forfeitures (in shares)		0
Balance, end of period (in shares) at Sep. 30, 2021		20,378,576
Balance, beginning of period at Dec. 31, 2021	55	$ 22,401	57,441	51,264	17,688	(73)	(7,490)	$ 141,286
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)				479				479
Other comprehensive loss, net of tax					(43,131)			(43,131)
Dividends on common stock				(408)
Dividends accrued on preferred stock				(299)
Restricted stock grants, net of forfeitures			2			(71)	69
Amortization of unearned compensation						92
Net shares acquired related to employee share-based compensation plans							(108)
Issuance of shares under stock plans			0				0
Balance, end of period at Sep. 30, 2022	55	$ 22,401	57,443	51,036	(25,443)	(52)	(7,529)	$ 97,911
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						20,378,576
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net shares acquired under employee share-based compensation plans (in shares)		(36,347)
Issuance of shares under stock plans (in shares)		0
Restricted stock grants, net of forfeitures (in shares)		25,000
Balance, end of period (in shares) at Sep. 30, 2022		20,367,229						20,367,229
Balance, beginning of period at Jun. 30, 2022	55	$ 22,401	57,443	51,820	(15,103)	(79)	(7,436)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)				(684)				$ (684)
Other comprehensive loss, net of tax					(10,340)			(10,340)
Dividends on common stock				0
Dividends accrued on preferred stock				(100)
Restricted stock grants, net of forfeitures			0			0	0
Amortization of unearned compensation						27
Net shares acquired related to employee share-based compensation plans							(93)
Issuance of shares under stock plans			0				0
Balance, end of period at Sep. 30, 2022	$ 55	$ 22,401	$ 57,443	$ 51,036	$ (25,443)	$ (52)	$ (7,529)	$ 97,911
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared on common stock per share (in dollars per share)								$ 0
Balance, beginning of period (in shares) at Jun. 30, 2022		20,398,497
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net shares acquired under employee share-based compensation plans (in shares)		(31,268)
Issuance of shares under stock plans (in shares)		0
Restricted stock grants, net of forfeitures (in shares)		0
Balance, end of period (in shares) at Sep. 30, 2022		20,367,229						20,367,229