Consolidated Statements of Equity (unaudited) - 6 months ended Jun. 30, 2015 - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income	Treasury Stock	Total Shareholders’ Equity	Non-Controlling Interest
Balance at Dec. 31, 2014	$ 103,050	$ 20,000	$ 621	$ 51,316	$ 32,983	$ 165	$ (2,180)	$ 102,905	$ 145
Balance (in shares) at Dec. 31, 2014			6,208,259
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital withdrawals by noncontrolling interest	(403)								(403)
Stock options exercised	1,163		$ 13	1,150				1,163
Stock options exercised (in shares)			129,978
Net income	5,522				5,021			5,021	501
Changes in other comprehensive income	(307)					(307)		(307)
Purchase of treasury stock	(351)						(351)	(351)
Dividend on preferred stock	(600)				(600)			(600)
Dividend on common stock	(1,026)				(1,026)			(1,026)
Balance at Jun. 30, 2015	$ 107,048	$ 20,000	$ 634	$ 52,466	$ 36,378	$ (142)	$ (2,531)	$ 106,805	$ 243
Balance (in shares) at Jun. 30, 2015			6,338,237