Share-based Compensation - Summary of Stock Option Activity (Details) - $ / shares	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Number of Shares
Beginning balance (in shares)	16,069,015
Granted (in shares)	2,874,100
Exercised (in shares)	(176,460)
Forfeited (in shares)	(50,416)
Ending balance (in shares)	18,716,239	16,069,015
Exercisable at end of period (in shares)	9,250,365
Vested and expected to vest at end of period (in shares)	18,716,239
Weighted-Average Exercise Price Per Share
Beginning balance (in dollars per share)	$ 7.09
Granted (in dollars per share)	8.10
Exercised (in dollars per share)	5.41
Forfeited (in dollars per share)	8.18
Ending balance (in dollars per share)	7.25	$ 7.09
Exercisable at end of period (in dollars per share)	7.41
Vested and expected to vest at end of period (in dollars per share)	$ 7.25
Weighted-Average Remaining Contractual Term
Options outstanding, weighted-average remaining contractual term	8 years	7 years 10 months 24 days
Options exercisable, weighted-average remaining contractual term	7 years 3 months 18 days
Options vested and expected to vest at end of period, weighted-average remaining contractual term	8 years