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Stock-Based Compensation - Narrative (Details) $ / shares in Units, $ in Thousands			1 Months Ended	12 Months Ended
	Dec. 21, 2023 shares	Apr. 19, 2021 USD ($) vestingTranche $ / shares shares	Aug. 31, 2021 shares	Dec. 31, 2025 USD ($) $ / shares shares	Dec. 31, 2024 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares	May 14, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Intrinsic value of options exercised				$ 11,600	$ 7,900	$ 22,200
Tax benefit from realized stock option exercises				100
Total stock-based compensation				47,646	64,453	84,235
General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation				$ 16,532	$ 19,591	$ 35,686
Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares purchased under ESPP (in shares) | shares				300,000	400,000	400,000
Aggregate amount of shares purchased				$ 1,700	$ 3,600	$ 6,400
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period				4 years
Expiration period				10 years
Total stock-based compensation				$ 100	700	1,100
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock based compensation expense				57,900
Total stock-based compensation				$ 47,300	$ 62,400	$ 67,700
Service period				4 years
Granted (in shares) | shares				4,581,000
Weighted average grant date fair value (in dollars per share) | $ / shares				$ 9.23	$ 14.85
Granted (in dollars per share) | $ / shares				$ 5.46	$ 11.41	$ 20.03
Fair value of options vested				$ 19,700	$ 36,300	$ 47,100
Stock based compensation, weighted average period of recognition				1 year 2 months 12 days
Restricted Stock Units | Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period				10 years
Total stock-based compensation						13,300
Number of vesting tranches | vestingTranche		5
Granted (in shares) | shares		1,400,000
Trading window (in days)		30 days
Aggregate stock based compensation expense over derived service period		$ 22,800
Shares cancelled (in shares) | shares	1,400,000
Restricted Stock Units | Chief Executive Officer | General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation						7,500
Restricted Stock Units | Chief Executive Officer | Monte Carlo Simulation
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Service period				4 years 1 month 6 days
Fair value assumptions, expected dividend yield				0.00%
Fair value assumptions, expected term				10 years
Fair value assumptions, estimated volatility (as a percent)				59.00%
Fair value assumptions, risk-free rate (as a percent)				1.60%
Weighted average grant date fair value (in dollars per share) | $ / shares				$ 16.34
Restricted Stock Units | Chief Executive Officer | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Service period				1 year
RSUs vested in period, amount per share (in dollars per share) | $ / shares		$ 67.61
Restricted Stock Units | Chief Executive Officer | Minimum | Monte Carlo Simulation
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Service period				3 years 2 months 12 days
Restricted Stock Units | Chief Executive Officer | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Service period				5 years
RSUs vested in period, amount per share (in dollars per share) | $ / shares		$ 157.75
Restricted Stock Units | Chief Executive Officer | Maximum | Monte Carlo Simulation
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Service period				5 years
Equity Incentive Plan 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares initially reserved for issuance (in shares) | shares							10,700,000
Shares reserved for issuance as a percent of common stock issued and outstanding (as a percent)							5.00%
Number of shares authorized (in shares) | shares				36,300,000
Shares initially reserved for issuance (in shares) | shares				18,800,000
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock based compensation expense				$ 0
Total remaining stock-based compensation expense for unvested stock options				$ 200	$ 1,400	$ 2,100
ESPP | Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares initially reserved for issuance (in shares) | shares				4,500,000
Shares initially reserved for issuance (in shares) | shares				3,000,000.0
ESPP | Employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares initially reserved for issuance (in shares) | shares			1,300,000
ESPP, concurrent offering and purchase period			6 months
Increase in common stock reserved for issuance (as a percent)			1.00%
ESPP discount percentage from market price, beginning of purchase period (as a percent)			15.00%
ESPP purchase price of common stock, percent of market price (as a percent)			85.00%
Equity Incentive Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) | shares				0	0	0

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Number of shares authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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Aggregate number of common shares reserved for future issuance.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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