Earnings Per Share - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2017	Mar. 31, 2016	Feb. 23, 2017
Earnings Per Share Disclosure [Line Items]
Increase in dividend rate, percentage				5.00%
Cash dividend, amount per share (in dollars per share)				$ 0.32
Payment for repurchase of common stock		$ 250,000	$ 0
Number of shares authorized to be repurchased (in shares)	15,000,000	15,000,000
Shares available for repurchase (in shares)	13,051,822	13,051,822
Accelerated Share Repurchase Agreement
Earnings Per Share Disclosure [Line Items]
Payment for repurchase of common stock	$ 250,000
Initial Delivery | Accelerated Share Repurchase Agreement
Earnings Per Share Disclosure [Line Items]
Repurchase of common stock shares (in shares)	1,948,178
Fair Market Value | Accelerated Share Repurchase Agreement
Earnings Per Share Disclosure [Line Items]
Shares repurchased	$ 200,000