CONSOLIDATED CONDENSED STATEMENT OF STOCKHOLDERS' EQUITY - 6 months ended Jun. 30, 2015 - USD ($) $ in Thousands	Total	Preferred	Common Stock	Additional Paid in Capital	Retained Earnings	Accumulated Other Comprehensive Income (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	34,140				34,140
Other comprehensive income, net of tax	(4,860)					(4,860)
Cash dividends on common stock ($.19 per share)	(7,245)				(7,245)
Share-based compensation (in shares)			142,451
Share-based compensation	1,130		$ 18	1,112
Stock issued under employee benefit plans (in shares)			11,733
Stock issued under employee benefit plans	231		$ 1	230
Stock issued under dividend reinvestment and stock purchase plan (in shares)			12,871
Stock issued under dividend reinvestment and stock purchase plan	$ 310		$ 2	308
Stock options exercised (in shares)	46,266		42,042
Stock options exercised	$ 654		$ 5	649
Stock redeemed (in shares)			(54,396)
Stock redeemed	(1,232)		$ (7)	(1,225)
Ending balance (in shares) at Jun. 30, 2015		125	37,824,649
Ending balance at Jun. 30, 2015	$ 749,955	$ 125	$ 4,728	$ 432,294	$ 319,298	$ (6,490)