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Stock-based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2024
Share-Based Payment Arrangement [Abstract] |
Schedule of Stock Based Compensation Cost | We recorded stock-based compensation expense in the following categories in the accompanying consolidated statements of operations and balance sheets (in thousands):
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
Cost of revenue | $ | 5,833 |  |  | $ | 4,318 |  |  | $ | 2,931 |
Sales and marketing | 8,077 |  |  | 6,096 |  |  | 10,144 |
Technology and development | 19,573 |  |  | 18,899 |  |  | 16,574 |
General and administrative | 38,027 |  |  | 36,702 |  |  | 50,820 |
Total stock-based compensation expense | 71,510 |  |  | 66,015 |  |  | 80,469 |
Amount capitalized to internal-use software | 5,967 |  |  | 4,056 |  |  | 2,526 |
Total stock-based compensation | $ | 77,477 |  |  | $ | 70,071 |  |  | $ | 82,995 |
Schedule of Stock Options Activity | Stock option activity for the year ended December 31, 2024 is as follows (in thousands, except weighted-average exercise price and remaining contract life):
| Number of Options |  | Weighted- Average Exercise Price |  | Weighted- Average Remaining Contractual Life (in Years) |  | Aggregate Intrinsic Value
Outstanding at December 31, 2023 | 20,486 |  |  | $ | 10.69 |  |  | 6.9 |  | $ | 34,571 |
Granted | — |  |  | — |  |  |  |  |
Exercised | (389) |  |  | 1.11 |  |  |  |  |
Cancelled | (2,231) |  |  | 13.00 |  |  |  |  |
Forfeited | (2,672) |  |  | 11.22 |  |  |  |  |
Outstanding at December 31, 2024 | 15,194 |  |  | $ | 10.51 |  |  | 2.6 |  | $ | 442 |
Vested and expected to vest at December 31, 2024 | 15,194 |  |  | $ | 10.51 |  |  | 2.6 |  | $ | 442 |
Exercisable at December 31, 2024 | 13,948 |  |  | $ | 10.46 |  |  | 2.1 |  | $ | 442 |
Schedule of Fair Value Assumptions and Techniques for Stock Options | The weighted-average assumptions that were used to calculate the grant-date fair value of our stock option grants using the Black-Scholes option pricing model were as follows:
|  |  | Year Ended December 31,
|  |  | 2023 |  | 2022
Expected life (years) |  |  | 5.9 |  | 5.6
Risk-free interest rate |  |  | 3.4%-3.8% |  | 2.6 | %
Expected volatility |  |  | 50.4%-50.7% |  | 48 | %
Expected dividend yield |  |  | — |  |  | — |
Schedule of Restricted Stock Unit Activity | A summary of RSUs and performance stock units, or PSUs, activity for the year ended December 31, 2024 is as follows (in thousands, except weighted-average grant-date fair value):
| Number of Units |  | Weighted- Average Grant- Date Fair Value
Unvested at December 31, 2023 | 14,007 |  |  | $ | 10.83 |
Granted(1) | 28,681 |  |  | 7.70 |
Cancelled/forfeited | (7,091) |  |  | 11.35 |
Vested | (5,875) |  |  | 11.84 |
Unvested at December 31, 2024 | 29,722 |  |  | $ | 7.49 |
(1) Granted shares include RSU awards with a market vesting condition granted in July 2024 and reflected at 200% of target, and RSU awards with market vesting condition granted in November 2024 reflected at 400% of target.
Schedule of Fair Value Assumptions and Techniques for Restricted Stock Units | The assumptions that were used to calculate the grant-date fair value of our PSU grants using a Monte Carlo simulation model were as follows:
|  | Year Ended December 31,
|  | 2024
Expected life (years) |  | 0.4-0.8
Risk-free interest rate |  | 5.2%-5.4%
Expected volatility |  | 47.4%-66.1%
Expected dividend yield |  | —
The assumptions that were used to calculate the grant-date fair value of the RSUs with a market vesting condition using a Monte Carlo simulation model were as follows:
|  | Year Ended December 31,
|  | 2024
Expected life (years) |  | 5
Risk-free interest rate |  | 4.2 | %
Expected volatility |  | 59.4 | %
Expected dividend yield |  | — |
The assumptions that were used to calculate the grant-date fair value of the RSUs with a market vesting condition using a Monte Carlo simulation model were as follows:
|  | Year Ended December 31,
|  | 2024
Expected life (years) |  | 3
Risk-free interest rate |  | 4.2 | %
Expected volatility |  | 60.9 | %
Expected dividend yield |  | — |

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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