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Stock-Based Compensation - Narrative (Details) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2023 USD ($) shares | Jul. 31, 2023 shares | Oct. 31, 2021 exerciseDate shares | Dec. 31, 2023 USD ($) $ / shares shares | Dec. 31, 2022 USD ($) $ / shares shares | Dec. 31, 2021 shares | Feb. 29, 2024 shares | Feb. 28, 2023 shares
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |  |  |  |
Number of shares authorized (in shares) | shares |  |  |  |  | 9,102,074 |  |  |
Expected dividend yield (in percent) |  |  |  | 0.00% | 0.00% |  |  |
Weighted-average grant-date fair value of options granted (USD per share) | $ / shares |  |  |  |  | $ 6.26 |  |  |
Intrinsic value of options exercised |  |  |  | $ 8,800 | $ 10,500 |  |  |
Aggregate grant-date fair value of options vested | $ 8,500 |  |  | 8,500 | 13,000 |  |  |
Stock-based compensation expense |  |  |  | 25,177 | 17,049 |  |  |
Stock-based compensation included in capitalized internal-use software |  |  |  | 4,960 | 2,674 |  |  |
Cost not yet recognized for stock options, amount | 10,500 |  |  | $ 10,500 |  |  |  |
Cost not yet recognized, period for recognition |  |  |  | 1 year 3 months 18 days |  |  |  |
ESPP withholding | 426 |  |  | $ 426 | $ 415 |  |  |
RSUs |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |  |  |  |
Awards granted (in shares) | shares |  |  |  | 4,576,424 | 4,163,608 |  |  |
Fair value |  |  |  | $ 14,200 | $ 1,900 |  |  |
Weighted-average grant-date fair value (in dollars per share) | $ / shares |  |  |  | $ 5.06 | $ 6.87 |  |  |
Cost not yet recognized, period for recognition |  |  |  | 2 years 1 month 6 days |  |  |  |
Stock-based compensation expected to be recognized | 27,400 |  |  | $ 27,400 |  |  |  |
Options outstanding |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  | 4 years |  |  |  |
Award expiration period |  |  |  | 10 years |  |  |  |
Expected dividend yield (in percent) |  |  |  | 0.00% | 0.00% |  |  |
Minimum |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  | 1 year |  |  |  |
Maximum |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  | 4 years |  |  |  |
2021 Plan | Employee Stock |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |  |  |  |
Number of shares authorized (in shares) | shares |  |  | 956,800 |  |  |  |  |
Number of additional shares authorized (in shares) | shares |  |  |  | 667,874 | 607,696 |  |  |
Award expiration period |  |  | 20 years |  |  |  |  |
Maximum employee eligible compensation (in percent) |  |  | 50.00% |  |  |  |  |
Purchase price of common stock, percent of market price (in percent) |  |  | 85.00% |  |  |  |  |
Duration of offering period |  |  | 24 months |  |  |  |  |
Number of offering period exercise dates | exerciseDate |  |  | 4 |  |  |  |  |
Duration of offering period exercise date |  |  | 6 months |  |  |  |  |
Stock-based compensation (in shares) | shares |  |  |  | 695,046 | 574,364 |  |  |
Stock-based compensation expense |  |  |  | $ 4,200 | $ 2,900 |  |  |
Stock-based compensation included in capitalized internal-use software |  |  |  | 800 | $ 600 |  |  |
Cost not yet recognized for stock options, amount | $ 1,100 |  |  | $ 1,100 |  |  |  |
Cost not yet recognized, period for recognition |  |  |  | 1 year |  |  |  |
2021 Equity Incentive Plan |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |  |  |  |
Number of shares authorized (in shares) | shares | 14,662,500 |  |  | 14,662,500 |  |  |  |
Number of additional shares authorized (in shares) | shares | 13,719,000 | 8,292,158 |  | 809,916 | 411,399 |  |  |
Minimum annual additional number of shares authorized (in shares) | shares |  |  |  |  |  | 4,784,100 |  |
Minimum annual additional number of shares authorized, common stock outstanding (in percent) |  |  |  |  |  | 5.00% |  |
2021 Equity Incentive Plan | RSUs | Share-Based Payment Arrangement, Nonemployee |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  | 1 year |  |  |  |
2021 Equity Incentive Plan | Maximum | RSUs | Share-Based Payment Arrangement, Employee |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  | 4 years |  |  |  |
2022 Employee Bonus Plan | RSUs |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |  |  |  |
Number of shares authorized (in shares) | shares |  |  |  |  |  |  |  | 288,000
2022 Employee Bonus Plan | RSUs | Subsequent Event |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |  |  |  |
Number of shares authorized (in shares) | shares |  |  |  |  |  |  | 296,000 |
2022 Employee Bonus Plan | Employee Stock |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |  |  |  |
Stock-based compensation expense |  |  |  | $ 3,000 | $ 1,900 |  |  |
Stock-based compensation included in capitalized internal-use software |  |  |  | 500 | $ 300 |  |  |
Accrued bonus balance | $ 3,000 |  |  | $ 3,000 |  |  |  |

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