Condensed Consolidated Statement of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Preferred Shares [Member]	Common Shares [Member]	Retained Earnings [Member]	Treasury Shares [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning balance at Dec. 31, 2018	$ 298,898	$ 9,364	$ 266,901	$ 41,320	$ (17,235)	$ (1,452)
Balance, shares at Dec. 31, 2018		10,120	15,603,499
Net Income	9,669			9,669
Other comprehensive income	4,969					4,969
Stock-based compensation	89		$ 89
Stock-based compensation, shares			20,614
Common stock dividends ($0.11 and $0.09 per share for three months ended March 31 2020 and 2019)	(1,404)			(1,404)
Preferred stock dividends ($16.25 per share)	(164)			(164)
Ending balance at Mar. 31, 2019	312,057	$ 9,364	$ 266,990	49,421	(17,235)	3,517
Balance, shares at Mar. 31, 2019		10,120	15,624,113
Beginning balance at Dec. 31, 2019	330,126		$ 276,422	67,974	(21,144)	6,874
Balance, shares at Dec. 31, 2019			16,687,542
Net Income	7,833			7,833
Other comprehensive income	3,014					3,014
Stock-based compensation	124		$ 124
Stock-based compensation, shares			26,979
Common stock dividends ($0.11 and $0.09 per share for three months ended March 31 2020 and 2019)	(1,835)			(1,835)
Purchase of treasury stock	(11,095)				(11,095)
Purchase of treasury stock, shares			(650,511)
Ending balance at Mar. 31, 2020	$ 328,167		$ 276,546	$ 73,972	$ (32,239)	$ 9,888
Balance, shares at Mar. 31, 2020			16,064,010