Consolidated Statement of Shareholders' Equity - 3 months ended Mar. 31, 2017 - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Unearned ESOP Shares	Accumulated Other Comprehensive Loss	Retained Earnings
Beginning balance at Dec. 31, 2016	$ 214,376	$ 41,110	$ 1,136	$ 111,166	$ (1,233)	$ (1,010)	$ 63,207
Beginning balance (in shares) at Dec. 31, 2016		123,098	11,362,716
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	2,491						2,491
Dividends on Series B and Series C preferred stock	(811)						(811)
Dividends on common stock, $0.09 per share	(1,014)						(1,014)
ESOP shares released for allocation	(136)			27	(109)
Exercise of stock options	266		$ 2	264
Exercise of stock options (in shares)			20,498
Vested restricted stock (in shares)			700
Stock option and restricted stock compensation expense	81			81
Change in accumulated other comprehensive income	537					537
Ending balance at Mar. 31, 2017	$ 216,062	$ 41,110	$ 1,138	$ 111,538	$ (1,124)	$ (473)	$ 63,873
Ending balance (in shares) at Mar. 31, 2017		123,098	11,383,914