Stock-Based Compensation - Stock Option Activity (Details) - Employee Stock Option - $ / shares	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Shares
Options outstanding at beginning of the period	6,378,924
Granted	5,000
Exercised	(222,619)
Canceled	(2,568)
Options outstanding at the end of the period	6,158,737	6,378,924
Options vested and expected to vest at the end of the period	6,065,176
Options exercisable at the end of the period	3,284,980
Shares available for grant under the 2021 Plan	1,011,071
Weighted Average Exercise Price Per Share
Options outstanding at beginning of the period	$ 29.69
Granted	37.08
Exercised	16.27
Canceled	83.21
Options outstanding at the end of the period	30.16	$ 29.69
Options vested and expected to Vest at the end of the period	30.14
Options exercisable at the end of the period	$ 29.45
Weighted Average Remaining Contractual Term (In Years)
Options outstanding at the end of the period	7 years 4 months 24 days	7 years 6 months
Options vested and expected to vest at the end of the period	7 years 3 months 18 days
Options exercisable at the end of the period	6 years 3 months 18 days