Preferred Stock, Common Stock and Other Stockholders' Equity - Additional Information (Details) - USD ($)		12 Months Ended
	Feb. 14, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	May 31, 2017	Mar. 30, 2017	Jun. 07, 2016
Preferred Stock, Common Stock and Other Stockholders' Equity (Deficit)
Common stock, shares authorized (in shares)		280,000,000	280,000,000
Common stock, shares outstanding (in shares)		84,633,845	83,962,182
Value of shares repurchased		$ 52,000	$ 110,990,000	$ 499,442,000
Preferred stock, shares authorized		5,000,000
Preferred stock, shares issued		0
Preferred stock, shares authorized for future issuance		0
June 2016 Stock Repurchase Plan
Preferred Stock, Common Stock and Other Stockholders' Equity (Deficit)
Amount authorized of shares to be repurchased under Stock Repurchase Program							$ 500,000,000.0
Total number of shares purchased (in shares)					8,392,000
Value of shares repurchased					$ 500,000,000.0
Shares acquired, average cost (in dollars per share)					$ 59.58
March 2017 Stock Repurchase Plan
Preferred Stock, Common Stock and Other Stockholders' Equity (Deficit)
Amount authorized of shares to be repurchased under Stock Repurchase Program						$ 500,000,000
Total number of shares purchased (in shares)	4,604,000
Value of shares repurchased	$ 268,300,000
Shares acquired, average cost (in dollars per share)	$ 58.27
Permitted dollar value of repurchases remaining	$ 231,700,000
Long Term Incentive Plan
Preferred Stock, Common Stock and Other Stockholders' Equity (Deficit)
Shares available for future grant (in shares)		3,518,000
Employee Stock Purchase Plan
Preferred Stock, Common Stock and Other Stockholders' Equity (Deficit)
Shares in ESOP (in shares)		1,652,000