Stock-Based Compensation - Narrative (Details) $ / shares in Units, $ in Thousands		1 Months Ended		12 Months Ended
	Apr. 30, 2022 USD ($)	May 31, 2022 USD ($) installment $ / shares shares	Sep. 30, 2021 shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for future issuance (in shares) | shares				38,292,949	33,769,619
Aggregate intrinsic value of options exercised				$ 9,569	$ 34,000	$ 1,700
Weighted-average fair value of options granted (in dollars per share) | $ / shares				$ 2.57	$ 4.42	$ 4.80
Option repricing ratio		1
Stock-based compensation, exercise price (in dollars per share) | $ / shares		$ 4.39
Incremental stock-based compensation expense		$ 1,600
Stock-based compensation expense, vested stock options		100
Stock-based compensation expense, nonvested stock options		$ 1,500
Stock-based compensation, gross of amounts capitalized				$ 20,231	$ 9,744	$ 6,594
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, exercise price (in dollars per share) | $ / shares		$ 4.70
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, exercise price (in dollars per share) | $ / shares		$ 14.45
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period				4 years
Award cliff vesting period				1 year
Unrecognized compensation cost, period for recognition				2 years 7 months 28 days
Unrecognized compensation cost related to outstanding unvested restricted stock units				$ 21,200
RSUs | Share-Based Payment Arrangement, Existing Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period				3 years
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted (in shares) | shares		800,000
Number of award vesting periods | installment		3
Total grant date fair value				$ 4,000
Stock-based compensation, gross of amounts capitalized	$ 0			1,400
PSUs | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage		0.00%
PSUs | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage		150.00%
PSUs | Tranche 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		1 year
Aggregate fair value of equity instruments vested during the period				1,300
PSUs | Tranche 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		2 years
Aggregate fair value of equity instruments vested during the period				1,400
PSUs | Tranche 3
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		3 years
Aggregate fair value of equity instruments vested during the period				1,400
Stock-based compensation, gross of amounts capitalized
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to unvested share-based compensation arrangements granted				$ 17,400
Unrecognized compensation cost, period for recognition				2 years 4 months 2 days
2021 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, period for increase in shares			10 years
Percent of outstanding shares			4.00%
2021 Equity Incentive Plan | Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, maximum number of shares available for issue on the exercise of incentive stock options (in shares) | shares			100,000,000
2021 Employee Stock Purchase Plan | 2021 ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, period for increase in shares			10 years
Percent of outstanding shares			1.00%
Stock-based compensation, number of additional shares allowable under the plan (in shares) | shares			2,850,000
Stock-based compensation, purchase period			6 months
2021 Employee Stock Purchase Plan | Class A Common Stock | 2021 ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for future issuance (in shares) | shares				4,091,248
Stock-based compensation, discount percentage from market price, beginning of period			85.00%