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, 2019			$ 594	$ 272,039	$ (12,216)	$ (3,725)	$ (183)	$ (7,341)	[1]	$ 249,168
Net income (loss)					(593)					(593)
Other comprehensive loss, net of tax								2,941	[1]	2,941
Stock based compensation				577						577
Options exercised				23						23
Balance at Mar. 31, 2020		$ 0	594	272,639	(12,809)	(3,725)	(183)	(4,400)	[1]	252,116
Balance at Dec. 31, 2019			594	272,039	(12,216)	(3,725)	(183)	(7,341)	[1]	249,168
Other comprehensive loss, net of tax	[1]							4,512
Balance at Dec. 31, 2020		20	594	322,321	(8,085)	(3,725)	(183)	(2,829)	[1]	308,113
Net income (loss)					7,068					7,068
Preferred stock dividends paid (1)	[2]				(875)					(875)
Other comprehensive loss, net of tax								(6,470)	[1]	(6,470)
Stock based compensation				497						497
Options exercised				43						43
Balance at Mar. 31, 2021		$ 20	$ 594	$ 322,861	$ (1,892)	$ (3,725)	$ (183)	$ (9,299)	[1]	$ 308,376

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

[2] Dividends per share of $0.44 were declared and paid on preferred stock for the three months ended March 31, 2021