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Stock-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |
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May 14, 2024 | Jun. 30, 2025 | Mar. 31, 2025 | Aug. 31, 2021 | Apr. 30, 2021 | Jun. 30, 2025 | Mar. 31, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Jan. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based payment arrangement, expense |  |  |  |  |  | $ 2,161 |  | $ 3,284 | $ 4,997 | $ 6,565 |  |  |
Common stock, authorized |  | 500,000,000 |  |  |  | 500,000,000 |  |  | 500,000,000 |  |  | 500,000,000 |
Number of Options, Granted |  |  |  |  |  | 0 |  | 0 | 0 | 2,527,000 |  |  |
Outstanding Options |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based payment arrangement, expense |  |  |  |  |  | $ 213 |  | $ 674 | $ 508 | $ 1,366 |  |  |
Vesting of RSUs |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based payment arrangement, expense |  |  |  |  |  | 1,935 |  | 2,576 | 4,479 | 5,142 |  |  |
Unrecognized compensation expense |  | $ 17,258 |  |  |  | 17,258 |  |  | $ 17,258 |  |  |  |
RSUs |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Unrecognized Compensation Expense Period |  |  |  |  |  |  |  |  | 2 years 6 months |  |  |  |
Employee Stock Option |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Unrecognized compensation expense |  | $ 2,192 |  |  |  | $ 2,192 |  |  | $ 2,192 |  |  |  |
Unrecognized Compensation Expense Period |  |  |  |  |  |  |  |  | 2 years 3 months 18 days |  |  |  |
2018 Stock Plan |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation arrangement vesting period |  |  |  |  |  |  |  |  | 4 years |  |  |  |
Amended 2018 Stock Plan |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Options, Granted |  |  |  |  | 0 |  |  |  |  |  |  |  |
Amended 2018 Stock Plan | RSUs |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation arrangement vesting period |  |  |  |  | 4 years |  |  |  |  |  |  |  |
Share-based compensation arrangement, options granted |  |  |  |  | 1,533,000 |  |  |  |  |  |  |  |
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period, weighted average grant date fair value |  |  |  |  | $ 21.55 |  |  |  |  |  |  |  |
Share-based payment arrangement, expense |  |  |  |  | $ 33,033 |  |  |  |  |  |  |  |
2021 Equity Incentive Plan | Class A Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, authorized |  | 15,500,000 |  |  |  | 15,500,000 |  |  | 15,500,000 |  |  |  |
Annual additions to the plan | 8,900,000 |  |  |  |  |  |  |  |  |  |  |  |
2021 Equity Incentive Plan | RSUs |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation arrangement vesting period |  |  |  | 4 years |  |  |  |  |  |  |  |  |
Share based compensation by share based arrangement, quoted market price on purchase date |  |  |  |  |  |  |  |  | 100.00% |  |  |  |
Share based compensation by share based arrangement, award vesting rights |  |  |  |  |  |  |  |  | The RSUs will vest in four substantially equal quarterly installments, such that 100% of the RSUs subject to the grant will be vested as of June 30, 2026, subject to the terms of Mr. Martell’s award agreement. |  |  |  |
2021 Equity Incentive Plan | Time-Based RSUs | Class A Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation arrangement, options granted |  | 1,800,000 |  |  |  |  |  |  |  |  |  |  |
Employee Stock Purchase Plan |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based payment arrangement, expense |  |  |  |  |  | $ 13 |  | $ 34 | $ 10 | $ 57 |  |  |
Annual additions to the plan |  |  |  |  |  |  | 1,920,000 |  |  |  |  |  |
Number of shares available for sale |  | 8,889,000 | 8,889,000 |  |  | 8,889,000 | 8,889,000 |  | 8,889,000 |  |  | 7,109,000 |
Employee Stock Purchase Plan | Class A Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation by share based arrangement, quoted market price on purchase date |  |  |  |  |  |  |  |  | 85.00% |  |  |  |
Shares reserved for future issuance |  | 2,000,000 |  |  |  | 2,000,000 |  |  | 2,000,000 |  |  |  |
Percentage of shares reserved for future issuance |  |  |  |  |  |  |  |  | 1.00% |  |  |  |
2025 Inducement Equity Incentive Plan |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Performance period |  |  | 5 years |  |  |  |  |  |  |  |  |  |
2025 Inducement Equity Incentive Plan | Share-Based Payment Arrangement, Tranche One |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation arrangement vesting period |  |  | 4 years |  |  |  |  |  |  |  |  |  |
Share based compensation by share based arrangement, shares achieved vesting percentage |  |  | 50.00% |  |  |  |  |  |  |  |  |  |
2025 Inducement Equity Incentive Plan | Share-Based Payment Arrangement, Tranche Two |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation arrangement vesting period |  |  | 5 years |  |  |  |  |  |  |  |  |  |
Share based compensation by share based arrangement, shares achieved but not yet paid vesting percentage |  |  | 100.00% |  |  |  |  |  |  |  |  |  |
2025 Inducement Equity Incentive Plan | Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares reserved for future issuance |  |  |  |  |  |  |  |  |  |  | 6,500,000 |  |
2025 Inducement Equity Incentive Plan | Time-Based RSUs | Class A Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation arrangement, options granted |  |  | 1,791,000 |  |  |  |  |  |  |  |  |  |
2025 Inducement Equity Incentive Plan | PSUs | Class A Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation arrangement, options granted |  |  | 2,320,000 |  |  |  |  |  |  |  |  |  |
Minimum | 2021 Equity Incentive Plan | RSUs |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation arrangement vesting period |  |  |  | 1 year |  |  |  |  |  |  |  |  |
Maximum | 2018 Stock Plan |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation by share based arrangement term |  |  |  |  |  |  |  |  | 10 years |  |  |  |
Maximum | 2021 Equity Incentive Plan | Class A Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares available for sale | 24,400,000 |  |  |  |  |  |  |  |  |  |  |  |
Maximum | 2021 Equity Incentive Plan | RSUs |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation arrangement vesting period |  |  |  | 3 years |  |  |  |  |  |  |  |  |
Maximum | Employee Stock Purchase Plan | Class A Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares reserved for future issuance |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000
Maximum | 2025 Inducement Equity Incentive Plan | PSUs |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation by share based arrangement, quoted market price on purchase date |  |  | 200.00% |  |  |  |  |  |  |  |  |  |

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