Stock-Based Compensation - Stock Options (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Stock Based Compensation
RSUs granted (in shares)	(6,096,000)
RSUs forfeited/cancelled (in shares)	934,000
Options to purchase common stock
Stock Based Compensation
Shares available for grant, beginning balance	3,263,000
Additional shares authorized	3,500,000
Options granted (in shares)	(499,000)
Shares available for grant, end balance	1,102,000	3,263,000
Number of shares Outstanding
Outstanding, beginning balance (in shares)	5,300,000
Options granted (in shares)	499,000
Options exercised (in shares)	(298,000)
Outstanding, end balance (in shares)	5,501,000	5,300,000
Exercisable (in shares)	4,509,000
Vested and expected to vest (in shares)	5,435,000
Weighted-Average Exercise Price
Outstanding, beginning balance (in dollars per share)	$ 21.11
Granted (in dollars per share)	44.27
Exercised (in dollars per share)	13.09
Outstanding, end balance (in dollars per share)	23.65	$ 21.11
Exercisable (in dollars per share)	13.97
Vested and expected to vest (in dollars per share)	$ 23.12
Additional disclosures
Weighted average contractual term, options outstanding	4 years 4 months 9 days	4 years 10 months 2 days
Exercisable (in years)	3 years 5 months 26 days
Vested and expected to vest (in years)	4 years 3 months 21 days
Aggregate intrinsic value, options outstanding	$ 231,133	$ 131,385
Aggregate intrinsic value, options exercisable	221,758
Aggregate intrinsic value, vested and expected to vest	230,521
Aggregate intrinsic value, options exercised	14,700	26,900	$ 97,000
Fair value, options vested	$ 57,500	$ 49,000	$ 46,000
Weighted-average grant date fair value, options granted	$ 27.31	$ 34.00	$ 48.97
Non-employee stock options
Number of shares Outstanding
Outstanding, end balance (in shares)	0
Restricted stock units
Stock Based Compensation
RSUs granted (in shares)	(6,096)
RSUs forfeited/cancelled (in shares)	934