Stockholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, shares in Millions	1 Months Ended	3 Months Ended
	Feb. 29, 2016	Mar. 31, 2016	Dec. 31, 2015	Nov. 30, 2015
Accelerated Share Repurchases [Line Items]
Authorized stock repurchase program amount				$ 100,000,000
Percentage of outstanding stock authorized for repurchase				7.00%
Payment for accelerate share repurchase program	$ 50,000,000
Number of shares to be repurchased under accelerated share repurchase program	4.2
Treasury stock transaction	$ 42,500,000	$ 38,048,000	$ 0
Forward contract indexed to common stock	$ 7,500,000
Shares of common stock repurchased		0.2
Average price of common stock repurchased (in dollars per share)		$ 10.49
Unrecognized share-based compensation expense		$ 81,900,000
Unrecognized share-based compensation expense, period for recognition		3 years 1 month 6 days
Additional Paid-in Capital
Accelerated Share Repurchases [Line Items]
Forward contract indexed to common stock		$ 7,500,000