Earnings Per Share - Additional Information (Details) - USD ($) $ in Thousands				1 Months Ended	12 Months Ended
	Dec. 07, 2018	Sep. 28, 2018	Jun. 16, 2017	Mar. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Nov. 30, 2016
Earnings Per Share Disclosure [Line Items]
Preferred stock, shares authorized (in shares)					15,000,000
Payment for repurchase of common stock					$ 0	$ 500,000	$ 250,000
Repurchase of common stock shares (in shares)					0
Shares available for repurchase (in shares)					7,396,263
Preferred shares issued (in shares)					0
Accelerated Share Repurchase Agreement
Earnings Per Share Disclosure [Line Items]
Payment for repurchase of common stock				$ 250,000		$ 250,000
Maximum
Earnings Per Share Disclosure [Line Items]
Number of shares authorized to be repurchased (in shares)								15,000,000
Restricted Stock
Earnings Per Share Disclosure [Line Items]
Number of shares containing nonforfeitable rights to dividends (in shares)					18,100
Total Delivery | Accelerated Share Repurchase Agreement
Earnings Per Share Disclosure [Line Items]
Repurchase of common stock shares (in shares)						5,262,654	2,341,083
Total Delivery | May 2018 Accelerated Share Repurchase Agreement
Earnings Per Share Disclosure [Line Items]
Repurchase of common stock shares (in shares)		2,680,704
Total Delivery | August 2018 Accelerated Share Repurchase Agreement
Earnings Per Share Disclosure [Line Items]
Repurchase of common stock shares (in shares)	2,581,950
Initial Delivery | Accelerated Share Repurchase Agreement
Earnings Per Share Disclosure [Line Items]
Repurchase of common stock shares (in shares)				1,948,178
Final Settlement | Accelerated Share Repurchase Agreement
Earnings Per Share Disclosure [Line Items]
Repurchase of common stock shares (in shares)			392,905
Common Stock
Earnings Per Share Disclosure [Line Items]
Antidilutive securities excluded from computation of earnings per share					214,904