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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 ($) tranche $ / shares shares | Aug. 31, 2021 shares | Dec. 31, 2023 USD ($) $ / shares shares | Dec. 31, 2022 USD ($) $ / shares shares | Dec. 31, 2021 USD ($) $ / shares shares | May 14, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Total remaining stock-based compensation expense for unvested stock options |  |  |  | $ 1,100 |  |  |
Weighted average grant date fair value (in dollars per share) | $ / shares |  |  |  |  |  | $ 23.34 |
Intrinsic value of options exercised |  |  |  | 22,200 | $ 48,600 | $ 182,500 |
Tax benefit from realized stock option exercises |  |  |  | 1,700 |  |  |
Total stock-based compensation |  |  |  | $ 84,235 | 76,956 | 107,258 |
Stock based compensation, weighted average period of recognition |  |  |  | 7 months 6 days |  |  |
Accelerated cost |  |  |  | $ 4,200 |  |  |
General and administrative |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Total stock-based compensation |  |  |  | $ 35,686 | $ 34,306 | $ 54,070 |
Common Class A |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Shares purchased under ESPP (in shares) | shares |  |  |  | 400,000 | 400,000 | 0 |
Aggregate amount of shares purchased |  |  |  | $ 6,400 | $ 8,100 |  |
Unvested restricted stock units |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Unrecognized stock based compensation expense |  |  |  | 128,900 |  |  |
Total stock-based compensation |  |  |  | $ 67,700 | $ 65,600 | $ 93,900 |
Stock based compensation, weighted average period of recognition |  |  |  | 1 year 4 months 24 days |  |  |
Service period |  |  |  | 4 years |  |  |
RSUs outstanding (in shares) | shares |  | 6,900,000 |  | 6,675,000 | 7,641,000 |  |
Fair value of RSUs (in dollars per share) | $ / shares |  | $ 25.04 |  |  |  |  |
Value of RSUs |  | $ 172,600 |  |  |  |  |
Restricted stock units granted (in shares) | shares |  |  |  | 5,094,000 |  |  |
Weighted average grant date fair value (in dollars per share) | $ / shares |  |  |  | $ 20.36 | $ 21.20 |  |
Granted (in dollars per share) | $ / shares |  |  |  | $ 20.03 | $ 19.30 | $ 23.75 |
Fair value of options vested |  |  |  | $ 47,100 | $ 48,100 | $ 79,800 |
Unvested 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 | 5,900 | 3,600 |
Restricted stock units granted (in shares) | shares |  | 1,400,000 |  |  |  |  |
Number of vesting tranches | tranche |  | 5 |  |  |  |  |
Trading window (in days) |  | 30 days |  |  |  |  |
Aggregate stock based compensation expense over derived service period |  | $ 22,800 |  |  |  |  |
Shares canceled (in shares) | shares | 1,400,000 |  |  |  |  |  |
Unvested 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 |  |  |
Unvested 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 |  |  |
Unvested 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 |  |  |  |  |
Unvested 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 |  |  |
Unvested 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 |  |  |  |  |
Unvested 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 |  |  |
Options to purchase common stock |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting period |  |  |  | 4 years |  |  |
Expiration period |  |  |  | 10 years |  |  |
Total stock-based compensation |  |  |  | $ 1,100 | 2,800 | $ 4,300 |
Fair value assumptions, expected dividend yield |  |  |  |  |  | 0.00% |
Fair value assumptions, expected term |  |  |  |  |  | 6 years 2 months 12 days |
Fair value assumptions, estimated volatility (as a percent) |  |  |  |  |  | 58.00% |
Fair value assumptions, risk-free rate (as a percent) |  |  |  |  |  | 1.00% |
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 |  |  |  | 25,900,000 |  |  |
Shares initially reserved for issuance (in shares) | shares |  |  |  | 15,600,000 |  |  |
ESPP |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Total remaining stock-based compensation expense for unvested stock options |  |  |  | $ 2,100 | $ 2,600 | $ 1,400 |
Unrecognized stock based compensation expense |  |  |  | 300 |  |  |
Other accrued expenses |  |  |  | $ 2,300 |  |  |
ESPP | Common Class A |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Shares initially reserved for issuance (in shares) | shares |  |  |  | 3,000,000 |  |  |
Shares initially reserved for issuance (in shares) | shares |  |  |  | 2,100,000 |  |  |
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, 2012, 2014, 2021 |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Granted (in shares) | shares |  |  |  | 0 | 0 |  |

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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued 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). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Per share or unit weighted-average intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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