Stock-based Compensation Expense and Share Repurchase Programs - Additional Information (Details) - USD ($)	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Equity, Class of Treasury Stock [Line Items]
Amount of shares repurchased	$ 52,010,000	$ 300,026,000	$ 150,017,000
Share Repurchase Program 2018
Equity, Class of Treasury Stock [Line Items]
Number of shares authorized to be repurchased					$ 500,000,000.0
Shares repurchased (in shares)			832,186
Amount of shares repurchased			$ 150,000,000.0
Cumulative value of shares repurchased	$ 500,000,000.0		$ 500,000,000.0
Share Repurchase Program 2019
Equity, Class of Treasury Stock [Line Items]
Number of shares authorized to be repurchased				$ 500,000,000.0
Shares repurchased (in shares)		1,403,868
Amount of shares repurchased		$ 300,000,000.0
Stock repurchase program, remaining amount		$ 164,000,000.0