Net Loss Per Share Attributable to Common Stockholders - Weighted-average Impact of Potentially Dilutive Securities (Details) - shares	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Restricted Stock Units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	80,248,895	82,163,894
Share-based Payment Arrangement, Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	1,570,517	1,854,965,000
Employee Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	992,769	687,000,000