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]
Accumulated other comprehensive income(loss), beginning balance at Dec. 31, 2014						$ (47)
Net income	$ 6,292
Other comprehensive income	(631)					(631)
Accumulated other comprehensive income(loss), ending balance at Jun. 30, 2015						(678)
Accumulated other comprehensive income(loss), beginning balance at Mar. 31, 2015						584
Net income	3,122
Other comprehensive income	(1,262)					(1,262)
Accumulated other comprehensive income(loss), ending balance at Jun. 30, 2015						(678)
Accumulated other comprehensive income(loss), beginning balance at Dec. 31, 2015	125,173	$ 22,273	$ 115,330	$ 5,300	$ (17,235)	(495)
Balance, shares at Dec. 31, 2015		24,072	7,843,578
Net income	9,906			9,906
Other comprehensive income	2,419					2,419
Conversion of Series B preferred shares into common shares		$ (149)	$ 149
Conversion of Series B preferred shares into common shares, shares		(161)	20,569
Stock-based compensation	271		$ 271
Stock-based compensation, shares			43,213
Common stock dividends ($0.10 per share)	(784)			(784)
Preferred stock dividend	(782)			(782)
Accumulated other comprehensive income(loss), ending balance at Jun. 30, 2016	136,203	$ 22,124	$ 115,750	13,640	(17,235)	1,924
Balance, shares at Jun. 30, 2016		23,911	7,907,360
Accumulated other comprehensive income(loss), beginning balance at Mar. 31, 2016						818
Net income	5,181
Other comprehensive income	1,106					1,106
Accumulated other comprehensive income(loss), ending balance at Jun. 30, 2016	$ 136,203	$ 22,124	$ 115,750	$ 13,640	$ (17,235)	$ 1,924
Balance, shares at Jun. 30, 2016		23,911	7,907,360