Stockholders' Equity - Additional Information (Details) - USD ($)	3 Months Ended				12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Mar. 24, 2018	Jan. 11, 2016
Class of Stock [Line Items]
Preferred stock, shares authorized	50,000,000				50,000,000	50,000,000
Preferred stock, par value	$ 0.01				$ 0.01	$ 0.01
Preferred shares outstanding	0				0	0
Common stock, shares authorized	450,000,000				450,000,000	450,000,000
Common stock, par value	$ 0.01				$ 0.01	$ 0.01
Common stock, shares issued	153,005,588				153,005,588
Common stock, shares outstanding	144,663,403				144,663,403	144,984,050
Treasury stock, shares	8,342,185				8,342,185	7,001,017
Quarterly dividend declared	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.40	$ 0.24	$ 0.24
Aggregate dividends declared					$ 58,000,000	$ 35,000,000	$ 35,000,000
Aggregate dividends paid					58,000,000	35,000,000	35,000,000
Payments to repurchase common stock			$ 25,000,000		25,000,000		81,000,000
Shares of common stock repurchased			1,055,000
Approved 2017 Program [Member]
Class of Stock [Line Items]
Stock Repurchase Program, Authorized Amount								$ 200,000,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 175,000,000				175,000,000
Approved 2012 Program [Member]
Class of Stock [Line Items]
Stock Repurchase Program, Authorized Amount									$ 1,700,000,000
Retained Earnings [Member]
Class of Stock [Line Items]
Aggregate dividends declared					$ 59,000,000	$ 35,000,000	$ 35,000,000