Stock-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended			12 Months Ended
	Mar. 31, 2024	May 31, 2022	Sep. 30, 2021	Dec. 31, 2024	Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for future issuance (in shares)				2,206,765	2,028,375
Aggregate intrinsic value of options exercised				$ 2	$ 1,800
Stock options granted (in shares)				0
Weighted-average fair value of options granted (in dollars per share)					$ 0.63
Stock-based compensation, net of amounts capitalized				$ 11,472	$ 19,346
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to outstanding unvested restricted stock units				$ 9,900
Unrecognized compensation cost, period for recognition				2 years 4 months 20 days
RSUs | Share-Based Payment Arrangement, New Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period				4 years
Award cliff vesting period				1 year
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)		40,000
Total grant date fair value				$ 4,000
Stock-based compensation, net of amounts capitalized				800	$ 1,700
Unrecognized compensation cost related to outstanding unvested restricted stock units				$ 200
Unrecognized compensation cost, period for recognition				1 year 8 months 8 days
PSUs | Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted (in shares)	30,000
Total grant date fair value	$ 100
PSUs | Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		1 year
PSUs | Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		2 years
PSUs | Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		3 years
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to unvested share-based compensation arrangements granted				$ 3,100
Unrecognized compensation cost, period for recognition				2 years 21 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)			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)			142,500
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)				316,554
Stock-based compensation, discount percentage from market price, beginning of period			85.00%