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v3.25.1

Share-based compensation - Narrative (Details) - USD ($) | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Share-based compensation |  |
Income tax benefit from compensation expense | $ 100,000 | $ 100,000
Restricted stock units |  |
Share-based compensation |  |
Fair value of vested stock | 500,000 | 1,400,000
Income tax benefit from compensation expense | 100,000 | 300,000
Unrecognized share based compensation | $ 800,000 |
Weighted average period for recognition of unrecognized compensation cost (in years) | 10 months 24 days |
Long-term Incentive Plan |  |
Share-based compensation |  |
Payment award, low end of range | 0.00% |
Payment award, high end of range | 220.00% |
Measurement period for total return to shareholders (in years) | 3 years |
Award performance period (in years) | 3 years |
LTIP linked to TRS |  |
Share-based compensation |  |
Fair value of vested stock | $ 0 | 0
Unrecognized share based compensation | $ 5,700,000 |
Weighted average period for recognition of unrecognized compensation cost (in years) | 2 years 7 months 6 days |
LTIP awards linked to other performance conditions |  |
Share-based compensation |  |
Fair value of vested stock |  | 1,700,000
Income tax benefit from compensation expense |  | $ 400,000
Unrecognized share based compensation | $ 3,600,000 |
Weighted average period for recognition of unrecognized compensation cost (in years) | 1 year 7 months 6 days |
Equity and Incentive Plan |  |
Share-based compensation |  |
Shares available for future issuance (in shares) | 2,500,000 |
Number of share issuable upon vesting and achievement of performance goals (in shares) | 1,300,000 |
Nonemployee Director Stock Plan |  |
Share-based compensation |  |
Shares available for future grant (in shares) | 168,177 |

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