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Stock incentive plan - Additional information (Details) - $ / shares | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Awards granted (in shares) | 94,007 |
Awards granted (in dollars per share) | $ 8.51 |
Omnibus Incentive Plan |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based awards authorized (in shares) |  | 6,500,000
Number of common stock available for future awards (in shares) |  | 5,700,000
Restricted Stock Awards |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Award vesting period (in years) |  | 3 years
Awards granted (in shares) |  | 308,938
Awards granted (in dollars per share) |  | $ 5.72
Performance Stock Units |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Award vesting period (in years) |  | 3 years
Awards granted (in shares) |  | 26,574
Awards granted (in dollars per share) |  | $ 6.01
Stock Options |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Plan term (in years) |  | 10 years
Number of anniversaries |  | 2 years
Options granted (in shares) |  | 392,108
Weighted-average grant date fair value of options (in dollars per share) |  | $ 0.82
Weighted average remaining contractual terms |  | 9 years 3 months 18 days
Stock Options | $5.02 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Options granted (in shares) |  | 72,108
Exercise price of options granted (in dollars per share) |  | $ 5.02
Stock Options | $9.22 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Options granted (in shares) |  | 320,000
Exercise price of options granted (in dollars per share) |  | $ 9.22
Stock Options | Vesting immediately |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Options that vested (in percent) |  | 33.00%
Stock Options | Vesting on second anniversary |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Options that vested (in percent) |  | 33.00%
Stock Options | Vesting on third anniversary |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Options that vested (in percent) |  | 33.00%
Minimum | Performance Stock Units |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of share ultimately issued (as a percent) |  | 0.00%
Maximum | Performance Stock Units |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of share ultimately issued (as a percent) |  | 200.00%

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