Share-Based Compensation - RSUs (Details)	6 Months Ended
	Jun. 30, 2023 $ / shares shares	Dec. 31, 2022 shares
Weighted Average Grant Date Fair Value Per Share
Total shares of common stock reserved	47,983,445	43,283,618
Restricted Stock Units (RSUs)
Total RSUs
Beginning balance, unvested	10,578,313
Granted (in shares)	11,676,439
Vested (in shares)	(1,416,507)
Forfeited (in shares)	(814,970)
Ending balance, unvested	20,023,275
Weighted Average Grant Date Fair Value Per Share
Beginning balance | $ / shares	$ 10.04
Granted (in dollars per share) | $ / shares	1.59
Vested (in dollars per share) | $ / shares	19.65
Forfeited (in dollars per share) | $ / shares	14.29
Ending balance | $ / shares	$ 4.26
Total shares of common stock reserved	14,229
Service-based
Total RSUs
Beginning balance, unvested	9,171,289
Granted (in shares)	7,531,859
Vested (in shares)	(947,497)
Forfeited (in shares)	(814,970)
Ending balance, unvested	14,940,681
Performance-based
Total RSUs
Beginning balance, unvested	0
Granted (in shares)	1,805,550
Vested (in shares)	0
Forfeited (in shares)	0
Ending balance, unvested	1,805,550
Market-based
Total RSUs
Beginning balance, unvested	1,407,024
Granted (in shares)	2,339,030
Vested (in shares)	(469,010)
Forfeited (in shares)	0
Ending balance, unvested	3,277,044