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 Loss [Member]
Beginning balance at Dec. 31, 2016						$ (2,337)
Net Income	$ 4,635
Other comprehensive loss	361					361
Ending balance at Mar. 31, 2017						(1,976)
Beginning balance at Dec. 31, 2017	184,461	$ 17,358	$ 153,810	$ 31,652	$ (17,235)	(1,124)
Balance, shares at Dec. 31, 2017		18,760	10,198,475
Net Income	6,989			6,989
Other comprehensive loss	(2,426)					(2,426)
Conversion of Series B preferred shares to common shares		$ (324)	$ 324
Conversion of Series B preferred shares to common shares, shares		(351)	44,799
Stock-based compensation	36		$ 36
Common stock dividends ($0.07 per share)	(714)			(714)
Preferred stock dividend	(303)			(303)
Ending balance at Mar. 31, 2018	$ 188,043	$ 17,034	$ 154,170	37,902	$ (17,235)	(3,828)
Balance, shares at Mar. 31, 2018		18,409	10,243,274
Change in accounting principle for adoption of ASU 2016-01				$ 278		$ (278)