Consolidated Statement of Shareholders' Equity - 6 months ended Jun. 30, 2015 - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Unearned ESOP Shares	Accumulated Other Comprehensive Income	Treasury Stock	Retained Earnings
Beginning balance at Dec. 31, 2014	$ 209,012	$ 41,368	$ 1,149	$ 112,744	$ (250)	$ 2,857	$ (3,295)	$ 54,439
Beginning balance (in shares) at Dec. 31, 2014		125,680	11,491,703
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	6,590							6,590
Dividends on Series B and Series C preferred stock	(345)							(345)
Dividends on common stock, $0.18 per share	(2,043)							(2,043)
Conversion of Series C preferred stock to common stock		$ (198)	$ 1	197
Conversion of Series C preferred stock to common stock (in shares)		(1,984)	11,005
Increase in ESOP obligation, net of repayments	(234)				(234)
Exercise of stock options	99		$ 1	98
Exercise of stock options (in shares)			7,655
Tax benefit resulting from distribution from Directors Deferred Compensation Plan	420			420
Stock option expense	170			170
Change in accumulated other comprehensive income	(1,633)					(1,633)
Ending balance at Jun. 30, 2015	$ 212,036	$ 41,170	$ 1,151	$ 113,629	$ (484)	$ 1,224	$ (3,295)	$ 58,641
Ending balance (in shares) at Jun. 30, 2015		123,696	11,510,363