CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - 9 months ended Sep. 30, 2015 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Restricted Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning Balance at Dec. 31, 2014	$ 947,830	$ 1	$ 30,935	$ 67,422	$ 1,035,716	$ (186,244)
Beginning Balance (in shares) at Dec. 31, 2014		83,742	564
Net income	178,291				178,291
Other comprehensive loss, net of tax	(39,999)					(39,999)
Excess tax benefits on stock compensation plan	70		$ 70
Restricted stock activity	5,104		$ 5,104
Restricted stock activity (in shares)		144	(150)
Ending Balance at Sep. 30, 2015	$ 1,091,296	$ 1	$ 36,109	$ 67,422	$ 1,214,007	$ (226,243)
Ending Balance (in shares) at Sep. 30, 2015		83,886	414