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Stockholders' equity - Narrative (Details) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 01, 2024 shares | Feb. 29, 2024 shares | Jun. 30, 2024 USD ($) $ / shares shares | Mar. 31, 2024 shares | Jun. 30, 2023 USD ($) | Mar. 31, 2023 shares | Jun. 30, 2024 USD ($) vote $ / shares shares | Jun. 30, 2023 USD ($) | May 02, 2024 USD ($) | Feb. 14, 2024 USD ($) | Dec. 31, 2023 $ / shares shares | Oct. 29, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares authorized (in shares) |  |  | 50,000,000 |  |  |  | 50,000,000 |  |  |  | 50,000,000 |
Preferred stock, par value (in dollars per share) | $ / shares |  |  | $ 0.00001 |  |  |  | $ 0.00001 |  |  |  | $ 0.00001 |
Preferred stock, shares outstanding (in shares) |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Preferred stock, shares issued (in shares) |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Number of votes per common stock | vote |  |  |  |  |  |  | 1 |  |  |  |  |
Share repurchase program, shares authorized | $ |  |  |  |  |  |  |  |  | $ 150,000 | $ 100,000 |  |
Extension repurchase program | $ |  |  |  |  |  |  |  |  | $ 50,000 |  |  |
Repurchases of common stock (in shares) |  |  | 3,790,193 |  |  |  | 8,752,338 |  |  |  |  |
Repurchases of common stock | $ |  |  | $ 35,601 |  |  |  | $ 91,112 |  |  |  |  |
Total shares of common stock reserved (in shares) |  |  | 33,965,494 |  |  |  | 33,965,494 |  |  |  | 27,803,828 |
Stock-based compensation capitalized as a software | $ |  |  | $ 2,200 |  | $ 2,400 |  | $ 4,500 | $ 4,700 |  |  |  |
Restricted Stock Units (RSUs) |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  |  |  |  | 6,316,311 |  |  |  |  |
Unrecognized compensation costs, excluding options | $ |  |  | $ 196,100 |  |  |  | $ 196,100 |  |  |  |  |
Unrecognized compensation costs, period for recognition (in years) |  |  |  |  |  |  | 2 years 9 months 18 days |  |  |  |  |
Performance-Based Awards |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of shares right to receive (in shares) |  |  |  |  |  |  | 1 |  |  |  |  |
Granted (in shares) |  | 450,170 |  | 553,568 |  | 645,833 | 553,568 |  |  |  |  |
Award vesting rights, percentage |  | 75.00% |  | 75.00% |  |  |  |  |  |  |  |
Corporate performance metric attainment percentage |  |  | 0.40 |  |  |  | 0.40 |  |  |  |  |
Authorized attainment percentage of shares issued |  | 70.00% |  |  |  |  |  |  |  |  |  |
Unrecognized compensation costs, excluding options | $ |  |  | $ 2,900 |  |  |  | $ 2,900 |  |  |  |  |
Unrecognized compensation costs, period for recognition (in years) |  |  |  |  |  |  | 1 year 9 months 18 days |  |  |  |  |
Performance-Based Awards | Share-based Payment Arrangement, Tranche One |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Award vesting rights, percentage |  |  |  |  |  |  | 25.00% |  |  |  |  |
Stock options |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  |  |  |  | 4 years |  |  |  |  |
Contractual term (in years) |  |  |  |  |  |  | 10 years |  |  |  |  |
Stock options outstanding (in shares) |  |  | 2,417,020 |  |  |  | 2,417,020 |  |  |  | 4,621,021 |
Stock Appreciation Rights (SARs) |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Exercised (in shares) |  |  |  |  |  |  | 1,558 |  |  |  |  |
Exercised (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 6.58 |  |  |  |  |
SARs outstanding (in shares) |  |  | 3,000 |  |  |  | 3,000 |  |  |  |  |
Contingently issuable shares under ESPP |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Unrecognized compensation costs, excluding options | $ |  |  | $ 5,900 |  |  |  | $ 5,900 |  |  |  |  |
Unrecognized compensation costs, period for recognition (in years) |  |  |  |  |  |  | 1 year 2 months 12 days |  |  |  |  |
Total shares of common stock reserved (in shares) | 1,571,663 |  |  |  |  |  |  |  |  |  |  | 2,800,000
Minimum annual increase in shares reserved for issuance |  |  |  |  |  |  | 1.00% |  |  |  |  |
Percent of outstanding shares |  |  |  |  |  |  | 300.00% |  |  |  |  |
Shares issued (in shares) |  |  |  |  |  |  | 554,039 |  |  |  |  |
Minimum | Restricted Stock Units (RSUs) |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  |  |  |  | 3 years |  |  |  |  |
Minimum | Performance-Based Awards |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Award vesting rights, percentage |  |  |  | 0.00% |  |  |  |  |  |  |  |
Maximum | Restricted Stock Units (RSUs) |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  |  |  |  | 4 years |  |  |  |  |
Maximum | Performance-Based Awards |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Award vesting rights, percentage |  |  |  | 150.00% |  |  |  |  |  |  |  |
2021 Stock incentive Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of shares reserved for future issuance (in shares) |  |  | 13,800,000 |  |  |  | 13,800,000 |  |  |  |  |
Annual percentage increase, term |  |  |  |  |  |  | 0.05 |  |  |  |  |
Number of shares reserved for future issuance increased (in shares) | 7,858,318 |  |  |  |  |  |  |  |  |  |  |
Stock options outstanding (in shares) |  |  | 2,367,020 |  |  |  | 2,367,020 |  |  |  | 4,571,021 |
Exercisable, awards outstanding (in shares) |  |  | 2,353,087 |  |  |  | 2,353,087 |  |  |  |  |
Amended and Restated 2010 Equity Incentive Plan | Performance-Based Awards |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Stock options outstanding (in shares) |  |  | 50,000 |  |  |  | 50,000 |  |  |  |  |
Exercisable, awards outstanding (in shares) |  |  | 32,291 |  |  |  | 32,291 |  |  |  |  |

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