CONSOLIDATED CONDENSED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Preferred	Common Stock	Additional Paid in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2015						$ (1,362)
Comprehensive income
Net income	$ 17,693
Other comprehensive income, net of tax	3,428
Ending balance at Mar. 31, 2016						2,066
Beginning balance (in shares) at Dec. 31, 2016		125	40,912,697
Beginning balance at Dec. 31, 2016	901,657	$ 125	$ 5,114	$ 509,018	$ 400,981	(13,581)
Comprehensive income
Net income	23,193				23,193
Other comprehensive income, net of tax	9,859					9,859
Cash dividends on common stock ($.15 per share)	(6,191)				(6,191)
Share-based compensation (in shares)			76,951
Share-based compensation	573		$ 10	563
Stock issued under employee benefit plans (in shares)			3,453
Stock issued under employee benefit plans	114			114
Stock issued under dividend reinvestment and stock purchase plan (in shares)			4,973
Stock issued under dividend reinvestment and stock purchase plan	$ 205		$ 1	204
Stock options exercised (in shares)	80,835		80,835
Stock options exercised	$ 1,314		$ 10	1,304
Stock redeemed (in shares)			(31,366)
Stock redeemed	(1,254)		$ (4)	(1,250)
Ending balance (in shares) at Mar. 31, 2017		125	41,047,543
Ending balance at Mar. 31, 2017	$ 929,470	$ 125	$ 5,131	$ 509,953	$ 417,983	$ (3,722)