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Stock-based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2023
Share-Based Payment Arrangement [Abstract] |
Summary of Stock Option Activity | During the year ended December 31, 2023, stock option activity is as follows:
|  | Common Stock |  |  | Weighted- Average Exercise Price for Equity |  |  | Weighted- Average Remaining Contractual Life (In Years) |  |  | Aggregate Intrinsic Value(1) |
Outstanding, December 31, 2022 |  |  | 826,609 |  |  | $ | 25.22 |  |  |  | 6.2 |  |  | $ | 3,172 |
Granted |  |  | — |  |  |  | — |  |  |  |  |  |  |
Exercised |  |  | (15,834 | ) |  |  | 4.69 |  |  |  |  |  |  | 229 |
Forfeited or Expired |  |  | (34,681 | ) |  |  | 35.61 |  |  |  |  |  |  |
Outstanding, December 31, 2023 |  |  | 776,094 |  |  | $ | 25.17 |  |  |  | 5.3 |  |  | $ | 5,442 |
Exercisable as of December 31, 2023 |  |  | 590,401 |  |  | $ | 21.83 |  |  |  | 4.7 |  |  | $ | 5,442 |
(1) As of December 31, 2023 and 2022, the aggregate intrinsic value was calculated based on the positive difference, if any, between the estimated fair value of common stock on December 31, 2023 and 2022, respectively, or the date of exercise, as appropriate, and the exercise price of the underlying options.
Summary of Restricted Stock Unit Activity | During the year ended December 31, 2023, RSU activity is as follows:
|  | Number of Shares |  |  | Weighted- Average Grant Date Fair Value |  |  | Aggregate Intrinsic Value |
Unvested outstanding, December 31, 2022 |  |  | 4,484,291 |  |  | $ | 29.36 |  |  | $ | 62,825 |
Granted |  |  | 4,133,865 |  |  |  | 17.47 |  |  |  |
Vested |  |  | (2,440,510 | ) |  |  | 26.83 |  |  |  |
Forfeited |  |  | (489,935 | ) |  |  | 24.30 |  |  |  |
Unvested outstanding, December 31, 2023 |  |  | 5,687,711 |  |  | $ | 22.02 |  |  | $ | 137,415 |
Summary of Stock-based Compensation Expense by Award Type | For the year ended December 31, 2023, 2022, and 2021, stock-based compensation expense by award type and where the stock-based compensation expense was recognized in the Company’s consolidated income statements is as follows:
|  | Year Ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Options |  | $ | 2,386 |  |  | $ | 2,553 |  |  | $ | 2,471 |
Restricted Stock Units |  |  | 55,527 |  |  |  | 52,224 |  |  |  | 52,916 |
CO Incentive Units and Subject Units |  |  | 26,552 |  |  |  | (21,095 | ) |  |  | 22,323 |
Noncontrolling Interest Units |  |  | 28,991 |  |  |  | — |  |  |  | — |
Total |  | $ | 113,456 |  |  | $ | 33,682 |  |  | $ | 77,710 |
Summary of Allocation of Stock-based Compensation Expense |
|  | Year Ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Cost of revenue |  | $ | 2,370 |  |  | $ | 475 |  |  | $ | 417 |
Sales and marketing expense |  |  | 13,710 |  |  |  | 7,733 |  |  |  | 12,801 |
Product, technology, and development expense |  |  | 25,934 |  |  |  | 20,266 |  |  |  | 22,289 |
General and administrative expense |  |  | 71,442 |  |  |  | 5,208 |  |  |  | 42,203 |
Total |  | $ | 113,456 |  |  | $ | 33,682 |  |  | $ | 77,710 |
Summary of Shares of Common Stock Reserved for Future Issuance | As of December 31, 2023, the Company had reserved the following shares of Class A common stock for future issuance:
Common stock options outstanding |  |  | 776,094 |
Unvested restricted stock units outstanding |  |  | 5,687,711 |
Shares available for issuance under the 2017 Plan |  |  | 6,236,628 |
Total shares of authorized common stock reserved for future issuance |  |  | 12,700,433 |

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