CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Common Stock	Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares, Outstanding		99,141,374
Total stockholders' equity	$ 2,923,833	$ 991	$ 1,220,147	$ 1,697,822	$ 4,873
Comprehensive income	190,092			223,642	(33,550)
Dividends ($0.69 per common share)	$ (62,409)			(62,409)
Common Stock, Dividends, Per Share, Declared	$ 0.63
Equity based compensation (in Shares)		590,572
Equity based compensation	$ 13,620	$ 6	13,614
Forfeiture of unvested shares (in Shares)		(325,523)
Forfeiture of unvested shares and shares surrendered for tax withholding obligations	$ (6,399)	$ (3)	(6,396)
Exercise of stock options (in Shares)	26,043	26,043
Exercise of stock options	$ 538	$ 1	537
Stock Repurchased During Period, Shares		(4,362,067)
Stock Repurchased During Period, Value	(150,000)	$ (44)	(149,956)
Shares, Outstanding		95,315,633
Total stockholders' equity	2,867,910	$ 953	1,080,966	1,803,360	(17,369)
Comprehensive income	64,911			76,219	(11,308)
Dividends ($0.69 per common share)	$ (20,524)			(20,524)
Common Stock, Dividends, Per Share, Declared	$ 0.21
Equity based compensation (in Shares)		8,219
Equity based compensation	$ 4,564	$ 0	4,564
Forfeiture of unvested shares (in Shares)		(38,596)
Forfeiture of unvested shares and shares surrendered for tax withholding obligations	(145)	$ 0	(145)
Exercise of stock options (in Shares)		22,133
Exercise of stock options	494	$ 1	493
Stock Repurchased During Period, Shares		(236,990)
Stock Repurchased During Period, Value	(7,935)	$ (3)	(7,932)
Shares, Outstanding		95,070,399
Total stockholders' equity	2,909,275	$ 951	1,077,946	1,859,055	(28,677)
Shares, Outstanding		95,128,231
Total stockholders' equity	2,980,779	$ 951	1,083,920	1,927,735	(31,827)
Total stockholders' equity | Accounting Standards Update 2016-13 [Member]	2,956,962			1,903,918
Comprehensive income	62,117			112,116	(49,999)
Dividends ($0.69 per common share)	$ (65,746)			(65,746)
Common Stock, Dividends, Per Share, Declared	$ 0.69
Equity based compensation (in Shares)		743,696
Equity based compensation	$ 15,314	$ 8	15,306
Forfeiture of unvested shares (in Shares)		(225,477)
Forfeiture of unvested shares and shares surrendered for tax withholding obligations	$ (4,522)	$ (3)	(4,519)
Exercise of stock options (in Shares)	67,768	67,768
Exercise of stock options	$ 1,671	$ 1	1,670
Stock Repurchased During Period, Shares		(3,325,577)
Stock Repurchased During Period, Value	(100,972)	$ (33)	(100,939)
Shares, Outstanding		92,420,278
Total stockholders' equity	2,755,053	$ 924	991,509	1,905,639	(143,019)
Comprehensive income	127,752			66,559	61,193
Dividends ($0.69 per common share)	$ (21,910)			(21,910)
Common Stock, Dividends, Per Share, Declared	$ 0.23
Equity based compensation (in Shares)		0
Equity based compensation	$ 3,878	$ 0	3,878
Forfeiture of unvested shares (in Shares)		(39,405)
Forfeiture of unvested shares and shares surrendered for tax withholding obligations	(91)	$ 0	(91)
Exercise of stock options (in Shares)		7,768
Exercise of stock options	142	$ 0	142
Shares, Outstanding		92,388,641
Total stockholders' equity	$ 2,864,824	$ 924	$ 995,438	$ 1,950,288	$ (81,826)