Stockholders' Equity - Additional Information (Details) - USD ($)	1 Months Ended	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2016	Feb. 15, 2013
Equity [Abstract]
Authorized the repurchase of shares of common stock			$ 250,000,000
Repurchase of common stock, shares	2,328,846	208,137
Aggregate cost of shares repurchased, common stock	$ 158,000,000	$ 12,000,000
Average price of shares repurchased, common stock		$ 59.79
Remaining authorized share repurchased amount	$ 92,000,000	$ 92,000,000