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v3.25.2

Share-based compensation and stockholders' equity - Narrative (Details) $ / shares in Units, shares in Millions |  | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 17, 2024 USD ($) $ / shares shares | Jun. 30, 2025 USD ($) $ / shares shares | Mar. 31, 2024 USD ($) increment | Jun. 30, 2025 USD ($) $ / shares shares | Mar. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Aug. 30, 2024 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Nonvested options forfeited (in shares) |  |  |  | 0.3 |  |  |
Repurchases of common stock | $ |  | $ 6,900,000 |  |  |  |  |
Warrant liability | $ |  | 9,600,000 |  | $ 9,600,000 |  | $ 16,200,000 |
2025 Share Repurchase Program |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share repurchase program, authorized, amount | $ |  |  |  |  | $ 50,000,000 |  |
Repurchases of common stock | $ |  | $ 6,900,000 |  | $ 6,900,000 |  |  |
Treasury stock, shares, acquired (in shares) |  | 1.1 |  | 1.1 |  |  |
Shares average cost price (in dollars per share) | $ / shares |  | $ 6.12 |  | $ 6.12 |  |  |
Remaining authorized amount | $ |  | $ 43,100,000 |  | $ 43,100,000 |  |  |
Series I Warrants |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Class of warrant or right, number of securities called by warrants or rights (in shares) |  |  |  |  |  |  | 1.0
Series II Warrants |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Class of warrant or right, number of securities called by warrants or rights (in shares) |  |  |  |  |  |  | 1.5
Subscription Agreement |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Sale of stock, number of shares issued in transaction (in shares) | 1.1 |  |  |  |  |  |
Consideration received on transaction | $ | $ 10,000,000 |  |  |  |  |  |
Sale of stock, price per share (in dollars per share) | $ / shares | $ 8.98 |  |  |  |  |  |
Liabilities, fair value adjustment | $ | $ 1,600,000 |  |  |  |  |  |
Stock Options |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Stock options granted (in shares) |  |  |  | 1.6 |  |  |
Restricted Stock Units |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Equity instruments other than options granted (in shares) |  |  |  | 2.5 |  |  |
Equity instruments other than options, forfeited in period (in shares) |  |  |  | 0.2 |  |  |
Performance Shares |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Equity instruments other than options granted (in shares) |  |  |  | 0.3 |  |  |
Award performance period |  |  |  | 1 year |  |  |
Award vesting period |  |  | 3 years |  |  |  |
Equity instruments other than options, forfeited in period (in shares) |  |  |  | 0.0 |  |  |
Long-Term Incentive Award |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Granted long-term incentive award | $ |  |  | $ 8,000,000 |  |  |  |
Award vesting period |  |  | 5 years |  |  |  |
Performance Stock Option |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting period |  |  | 5 years |  |  |  |
Other Equity Awards |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of vesting increments | increment |  |  | 3 |  |  |  |

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