Stockholders' Equity - ESPP (Details) - USD ($) $ in Thousands, shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contributions withheld for taxes	$ 1,900	$ 2,600	$ 4,300	$ 6,000
Stock-based compensation expense	$ 34,978	$ 33,426	$ 75,000	$ 64,264
Stock repurchased during period (in shares)	0.3	0.2	0.3	0.2
Shares issuable pursuant to the ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum employee contribution as a percentage of salary			15.00%
Offering period duration			6 months
Purchase price of common stock, percent			85.00%
Stock-based compensation expense	$ 800	$ 900	$ 1,900	$ 2,100