Share-Based Compensation - RSU Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Weighted-Average Grant Date Fair Value Per Share
Shares of common stock reserved (in shares)	43,767,101	41,789,670
RSUs
Total RSUs
Beginning balance, unvested (in shares)	10,578,313	0
Granted (in shares)	12,199,830	11,521,853
Vested (in shares)	(3,552,392)	(445,503)
Forfeited (in shares)	(1,791,613)	(498,037)
Ending balance, unvested (in shares)	17,434,138	10,578,313
Weighted-Average Grant Date Fair Value Per Share
Beginning balance (in dollars per share)	$ 10.04	$ 0
Granted (in dollars per share)	1.64	10.82
Vested (in dollars per share)	10.09	18.82
Forfeited (in dollars per share)	8.72	20.24
Ending balance (in dollars per share)	$ 4.30	$ 10.04
Shares of common stock reserved (in shares)	69,987
Time-based
Total RSUs
Beginning balance, unvested (in shares)	9,171,289	0
Granted (in shares)	8,055,250	9,662,716
Vested (in shares)	(3,083,382)	(144,094)
Forfeited (in shares)	(1,791,613)	(347,333)
Ending balance, unvested (in shares)	12,351,544	9,171,289
Performance-based
Total RSUs
Beginning balance, unvested (in shares)	0	0
Granted (in shares)	1,805,550	0
Vested (in shares)	0	0
Forfeited (in shares)	0	0
Ending balance, unvested (in shares)	1,805,550	0
Market-based
Total RSUs
Beginning balance, unvested (in shares)	1,407,024	0
Granted (in shares)	2,339,030	1,859,137
Vested (in shares)	(469,010)	(301,409)
Forfeited (in shares)	0	(150,704)
Ending balance, unvested (in shares)	3,277,044	1,407,024