Stock-Based Compensation - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended	9 Months Ended	12 Months Ended
	Jan. 01, 2024	Sep. 30, 2024	Sep. 30, 2024	Dec. 31, 2023
Shares Available for Grant
Beginning number of shares, available for grant (in shares)	12,003,394		12,003,394
2018 Plan annual increase (in shares)	3,689,000		3,689,000
Restricted stock units adjusted for performance adjustment (in shares)			(48,234)
Ending number of shares, available for grant (in shares)		15,568,268	15,568,268	12,003,394
Shares Subject to Options Outstanding
Beginning number of shares, outstanding (in shares)	4,012,903		4,012,903
Granted (in shares)			478,263
Exercised (in shares)			(581,495)
Canceled (in shares)			(166,790)
Ending number of shares, outstanding (in shares)		3,742,881	3,742,881	4,012,903
Options vested and exercisable, number of options (in shares)		2,178,301	2,178,301
Weighted-Average Exercise Price
Beginning balance of options outstanding (in usd per share)	$ 31.76		$ 31.76
Granted (in usd per share)			23.96
Exercised (in usd per share)			4.47
Canceled (in usd per share)			50.77
Ending balance of options outstanding (in usd per share)		$ 34.15	34.15	$ 31.76
Options vested and exercisable, weighted average exercise price per share (in usd per share)		$ 33.96	$ 33.96
Weighted-Average Remaining Contractual Life and Aggregate Intrinsic Value
Options outstanding, weighted average remaining contractual term (in years)			6 years 8 months 12 days	6 years 7 months 6 days
Options vested and exercisable, weighted average remaining contractual term (in years)			5 years 1 month 6 days
Options outstanding, aggregate intrinsic value		$ 21,302	$ 21,302	$ 39,115
Options vested and exercisable, aggregate intrinsic value		$ 20,696	$ 20,696
2018 plan annual increase (in shares)	3,689,000		3,689,000
Equity Option
Shares Available for Grant
Granted (in shares)			(478,263)
Canceled (in shares)			166,790
Restricted Stock Units
Shares Available for Grant
Granted (in shares)			(1,874,273)
Canceled (in shares)			682,506
MSUs
Shares Available for Grant
Canceled (in shares)			2,260,764
Shares underlying unvested performance-based restricted stock units
Shares Available for Grant
Granted (in shares)			(870,268)
Canceled (in shares)			36,852
Shares Subject to Options Outstanding
Granted (in shares)		221,347