Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands		Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Deferred Compensation, Share-based Payments [Member]	AOCI Attributable to Parent [Member]		Total
Balance at Dec. 31, 2018			$ 593	$ 269,147	$ (8,716)	$ (3,725)	$ (183)	$ (11,927)	[1]	$ 245,189
Net income (loss)					(1,015)					(1,015)
Other comprehensive loss, net of tax								4,403	[1]	4,403
Stock based compensation				2,005						2,005
Options exercised			1	260						261
Balance at Sep. 30, 2019		$ 0	594	271,412	(9,731)	(3,725)	(183)	(7,524)	[1]	250,843
Balance at Dec. 31, 2018			593	269,147	(8,716)	(3,725)	(183)	(11,927)	[1]	245,189
Other comprehensive loss, net of tax	[1]							4,586
Balance at Dec. 31, 2019			594	272,039	(12,216)	(3,725)	(183)	(7,341)	[1]	249,168
Balance at Jun. 30, 2019			594	270,789	(7,909)	(3,725)	(183)	(8,208)		251,358
Net income (loss)					(1,822)					(1,822)
Other comprehensive loss, net of tax								684		684
Stock based compensation				623						623
Balance at Sep. 30, 2019		0	594	271,412	(9,731)	(3,725)	(183)	(7,524)	[1]	250,843
Balance at Dec. 31, 2019			594	272,039	(12,216)	(3,725)	(183)	(7,341)	[1]	249,168
Net income (loss)					953					953
Other comprehensive loss, net of tax								2,921	[1]	2,921
Proceeds from shares issued under preferred stock offering (2,000,000 shares) net of offering costs of $1,675		20		48,305						48,325
Stock based compensation				1,538						1,538
Options exercised				33						33
Balance at Sep. 30, 2020		20	594	321,915	(11,263)	(3,725)	(183)	(4,420)	[1]	302,938
Balance at Jun. 30, 2020			594	273,118	(10,297)	(3,725)	(183)	(4,329)		255,178
Net income (loss)					(966)					(966)
Other comprehensive loss, net of tax								(91)		(91)
Proceeds from shares issued under preferred stock offering (2,000,000 shares) net of offering costs of $1,675		20		48,305						48,325
Stock based compensation				482						482
Options exercised				10						10
Balance at Sep. 30, 2020		$ 20	$ 594	$ 321,915	$ (11,263)	$ (3,725)	$ (183)	$ (4,420)	[1]	$ 302,938

[1] All amounts are net of tax. Amounts in parentheses indicate reductions to other comprehensive income.