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Stockholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issued in connection with employee stock purchase plan (in shares)					27,826,000
Restricted stock granted, weighted average fair value (in USD per share)	$ 85.34
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 7,800				$ 7,800
Repurchases of common stock (in shares)	247,172
Repurchases of common stock	$ 42,894	$ 1,954	$ 395	$ 1,476
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchases of common stock (in shares)	252,000	25,000	7,000	24,000
Repurchases of common stock	$ 42,200
Additional paid-in capital
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchases of common stock	42,894	$ 1,954	$ 395	$ 1,476
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 33,900				$ 33,900
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected weighted-average period of recognition for unrecognized compensation expense					2 years 8 months 12 days
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted, weighted average fair value (in USD per share)					$ 85.34	$ 59.19