CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	AOCI Attributable to Parent	Treasury Stock
Accounting Standards Update [Extensible List]	Accounting Standards Update 2014-09 [Member]
Dividends declared on common stock per share (in dollars per share)	$ 0.44
Beginning balance (in shares) at Dec. 31, 2018		110,430,000
Beginning balance at Dec. 31, 2018		$ 1,751	$ 276,062	$ 1,997,785	$ (593)	$ (268,808)	$ (1,125,525)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net issuance of treasury stock for vested restricted stock units (in shares)		758,000
Repurchases of common stock (in shares)		(408,000)
Stock compensation expense			17,078
Net issuance of treasury stock for vested restricted stock units			(3,718)				(11,774)
Net income	$ 193,814			193,814
Dividends declared on common stock				(49,704)
Other comprehensive income (loss)						9,066
Repurchases of common stock							(12,112)
Ending balance (in shares) at Dec. 31, 2019		110,780,000
Ending balance at Dec. 31, 2019	$ 1,023,322	$ 1,751	289,422	2,141,302	(665)	(259,742)	(1,149,411)
Accounting Standards Update [Extensible List]	Accounting Standards Update 2016-02
Dividends declared on common stock per share (in dollars per share)	$ 0.48
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net issuance of treasury stock for vested restricted stock units (in shares)		365,000
Repurchases of common stock (in shares)		(1,088,000)
Stock compensation expense			18,780
Net issuance of treasury stock for vested restricted stock units			(1,839)				(4,382)
Net income	$ 308,722			308,722
Dividends declared on common stock				(53,964)
Other comprehensive income (loss)						(1,211)
Repurchases of common stock							(35,890)
Ending balance (in shares) at Dec. 31, 2020	110,057,027	110,057,000
Ending balance at Dec. 31, 2020	$ 1,252,873	$ 1,751	306,363	2,395,395	$ 0	(260,953)	(1,189,683)
Accounting Standards Update [Extensible List]	Accounting Standards Update 2016-13
Dividends declared on common stock per share (in dollars per share)	$ 0.56
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net issuance of treasury stock for vested restricted stock units (in shares)		353,000
Repurchases of common stock (in shares)		0
Stock compensation expense			20,921
Net issuance of treasury stock for vested restricted stock units			(1,836)				(6,737)
Net income	$ 359,081			359,081
Dividends declared on common stock				(62,731)
Other comprehensive income (loss)						1,125
Repurchases of common stock							0
Ending balance (in shares) at Dec. 31, 2021	110,410,229	110,410,000
Ending balance at Dec. 31, 2021	$ 1,562,696	$ 1,751	$ 325,448	$ 2,691,745		$ (259,828)	$ (1,196,420)