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, 2014						$ (1,630)
Comprehensive income
Net income	$ 16,172
Other comprehensive income, net of tax	(285)					(285)
Ending balance at Mar. 31, 2015						(1,915)
Beginning balance (in shares) at Dec. 31, 2015		125	40,664,259
Beginning balance at Dec. 31, 2015	850,509	$ 125	$ 5,083	$ 504,530	$ 342,133	(1,362)
Comprehensive income
Net income	17,693				17,693
Other comprehensive income, net of tax	3,428					3,428
Cash dividends on common stock ($.11 per share)	(4,509)				(4,509)
Share-based compensation (in shares)			101,984
Share-based compensation	593		$ 13	580
Stock issued under employee benefit plans (in shares)			5,932
Stock issued under employee benefit plans	119		$ 1	118
Stock issued under dividend reinvestment and stock purchase plan (in shares)			7,030
Stock issued under dividend reinvestment and stock purchase plan	$ 165		$ 1	164
Stock options exercised (in shares)	6,700		6,700
Stock options exercised	$ 76		$ 1	75
Stock redeemed (in shares)			(36,565)
Stock redeemed	(811)		$ (5)	(806)
Ending balance (in shares) at Mar. 31, 2016		125	40,749,340
Ending balance at Mar. 31, 2016	$ 867,263	$ 125	$ 5,094	$ 504,661	$ 355,317	$ 2,066