Stock-based Compensation (Tables)
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9 Months Ended |
Sep. 30, 2022 |
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| Share-Based Payment Arrangement [Abstract] |
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| Schedule of Stock Based Compensation Cost |
We recorded stock-based compensation expense in the following categories in the accompanying unaudited condensed consolidated statements of operations and balance sheets (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended September 30, | Nine Months Ended September 30, | | | 2022 | | 2021 | | 2022 | | 2021 | Cost of revenue | | $ | 597 | | | $ | 764 | | | $ | 2,205 | | | $ | 1,585 | | Sales and marketing | | 2,972 | | | 6,356 | | | 9,633 | | | 11,706 | | Technology and development | | 3,857 | | | 14,446 | | | 12,303 | | | 32,591 | | General and administrative | | 12,352 | | | 16,499 | | | 40,349 | | | 41,079 | | Total stock-based compensation expense | | 19,778 | | | 38,065 | | | 64,490 | | | 86,961 | | Amount capitalized to internal-use software | | 549 | | | 9 | | | 1,779 | | | 35 | | Total stock-based compensation expense | | $ | 20,327 | | | $ | 38,074 | | | $ | 66,269 | | | $ | 86,996 | |
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| Schedule of Stock Options Activity |
Stock option activity for the nine months ended September 30, 2022 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, 2021 | 15,274 | | | $ | 10.47 | | | 8.0 | | $ | 97,094 | | Granted | 2,766 | | | 14.15 | | | | | | Exercised | (305) | | | 1.61 | | | | | | Cancelled/forfeited | (33) | | | 6.36 | | | | | | Outstanding at September 30, 2022 | 17,702 | | | $ | 11.21 | | | 7.6 | | $ | 4,377 | | Vested and expected to vest at September 30, 2022 | 17,698 | | | $ | 11.21 | | | 7.6 | | $ | 4,375 | | Exercisable at September 30, 2022 | 9,553 | | | $ | 9.76 | | | 7.1 | | $ | 4,311 | |
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| 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: | | | | | | | | | | | Nine Months Ended September 30, | | | 2021 | Expected life (years) | | 5.4 | Risk-free interest rate | | 1.0 | % | Expected volatility | | 45.6 | % | Expected dividend yield | | — |
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| Summary of Restricted Stock Unit Activity |
Restricted stock unit, or RSU, activity for the nine months ended September 30, 2022 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, 2021 | 3,577 | | | $ | 21.52 | | Granted | 6,982 | | | 13.39 | | | Vested | (1,010) | | | 21.05 | | | Cancelled/forfeited | (900) | | | 14.50 | | Unvested at September 30, 2022 | 8,649 | | | $ | 15.75 | |
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