CONSOLIDATED CONDENSED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - 9 months ended Sep. 30, 2015 - USD ($) $ in Thousands	Total	Preferred	Common Stock	Additional Paid in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2014		125	37,669,948
Beginning balance at Dec. 31, 2014	$ 726,827	$ 125	$ 4,709	$ 431,220	$ 292,403	$ (1,630)
Comprehensive Income
Net income	51,207				51,207
Other comprehensive income, net of tax	(1,984)					(1,984)
Cash dividends on common stock ($.30 per share)	(11,448)				(11,448)
Share-based compensation (in shares)			145,697
Share-based compensation	1,687		$ 18	1,669
Stock issued under employee benefit plans (in shares)			17,228
Stock issued under employee benefit plans	351		$ 2	349
Stock issued under dividend reinvestment and stock purchase plan (in shares)			19,647
Stock issued under dividend reinvestment and stock purchase plan	$ 487		$ 2	485
Stock options exercised (in shares)	90,566		90,566
Stock options exercised	$ 1,492		$ 11	1,481
Stock redeemed (in shares)			(69,165)
Stock redeemed	(1,635)		$ (8)	(1,627)
Ending balance (in shares) at Sep. 30, 2015		125	37,873,921
Ending balance at Sep. 30, 2015	$ 766,984	$ 125	$ 4,734	$ 433,577	$ 332,162	$ (3,614)