Equity Incentive Plans - Summary of Activity Under Stock Option Plans (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Options and Restricted Stock Units Available for Grant
Options and Restricted Stock Units Available for Grant, plan shares expired (in shares)	(1,176,888,000)
Options and Restricted Stock Units Available for Grant, forfeited (in shares)	4,978,000
Number of Options
Options granted (in shares)	29,638
Weighted- Average Exercise Price Per Share
Weighted-average exercise price per share, options exercised (in dollars per share)	$ 72.85	$ 5.40
2020 Plan and 2014 Plan
Options and Restricted Stock Units Available for Grant
Options and Restricted Stock Units Available for Grant, Beginning Balance (in shares)	6,065,150,000
Options and Restricted Stock Units Available for Grant, Additional shares authorized (in shares)	4,768,241,000
Options and Restricted Stock Units Available for Grant, granted (in shares)	(1,418,472,000)
Options and Restricted Stock Units Available for Grant, exercised (in shares)	6,464,000
Options and Restricted Stock Units Available for Grant, Ending Balance (in shares)	7,733,695,000		6,065,150,000
Number of Options
Beginning balance (in shares)	9,314,836,000
Options granted (in shares)	1,418,472,000
Number of Options, exercised	(630,679,000)
Number of Options, forfeited	(4,978,000)
Ending balance (in shares)	10,097,651,000		9,314,836,000
Number of Options, Vested and expected to vest	10,097,651,000
Number of Options, Exercisable	4,584,552,000
Weighted- Average Exercise Price Per Share
Weighted-Average Exercise Price Per Share, Beginning Balance (in dollars per share)	$ 25.35
Weighted-Average Exercise Price Per Share, Options granted (in dollars per share)	72.85
Weighted-average exercise price per share, options exercised (in dollars per share)	8.74
Weighted-Average Exercise Price Per Share, Options forfeited (in dollars per share)	46.02
Weighted-Average Exercise Price Per Share, Ending Balance (in dollars per share)	33.05		$ 25.35
Weighted-Average Exercise Price Per Share, Vested and expected to vest (in dollars per share)	33.05
Weighted-Average Exercise Price Per Share, Exercisable (in dollars per share)	$ 19.11
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract]
Weighted-Average Remaining Contractual Term (Years)	7 years 11 months 23 days		7 years 9 months
Weighted-Average Remaining Contractual Term (Years), Vested and expected to vest	7 years 11 months 23 days
Weighted-Average Remaining Contractual Term (Years), Exercisable	6 years 11 months 1 day
Aggregate Intrinsic Value	$ 363,125		$ 348,868
Aggregate Intrinsic Value, Vested and expected to vest	363,125
Aggregate Intrinsic Value, Exercisable	$ 225,684
2020 Plan and 2014 Plan | Restricted Stock Units
Options and Restricted Stock Units Available for Grant
Options and Restricted Stock Units Available for Grant, granted (in shares)	(565,682,000)
Options and Restricted Stock Units Available for Grant, forfeited (in shares)	3,625,000
Options and Restricted Stock Units Available for Grant, units withheld (in shares)	46,279,000