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v3.25.3

Share-based Employee Compensation, Stock Option Plans, and Deferred Compensation Plan for Directors - Narrative (Details) $ / shares in Units, $ in Millions |  |  |  |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2025 USD ($) $ / shares shares | May 09, 2025 shares | Dec. 31, 2024 shares | May 20, 2024 shares | May 17, 2024 shares | Sep. 30, 2025 USD ($) $ / shares shares | Sep. 30, 2024 USD ($) shares | Sep. 30, 2025 USD ($) $ / shares shares | Sep. 30, 2024 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Deferred compensation (in shares) | 126,291 |  | 125,917 |  |  |  |  | 9,563 | 7,756
Share-based payment arrangement, expense | $ |  |  |  |  |  | $ 0.5 | $ 0.4 | $ 1.3 | $ 0.9
Exercised (in shares) |  |  |  |  |  | 0 | 6,250,000 | 0 | 10,625,000
Closing share price (in usd per share) | $ / shares | $ 31.87 |  |  |  |  | $ 31.87 |  | $ 31.87 |
Share-based compensation arrangement by share-based payment award, options, grants since inception (in shares) | 1,100,000 |  |  |  |  | 1,100,000 |  | 1,100,000 |
Weighted average remaining contractual life of the Company's outstanding options |  |  |  |  |  |  |  | 4 years 7 months 6 days |
Weighted average remaining contractual life of the Company's exercisable options |  |  |  |  |  |  |  | 4 years 2 months 12 days |
Options granted (in shares) |  |  |  |  |  |  |  | 0 |
Minimum required percentage of shares granted that will vest |  |  |  |  |  |  |  | 0.90 |
Minimum |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Estimated percentage of shares granted that will vest |  |  |  |  |  |  |  | 0.50 |
Actual percentage of shares granted that will vest |  |  |  |  |  |  |  | 0.90 |
Maximum |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Estimated percentage of shares granted that will vest |  |  |  |  |  |  |  | 1.50 |
Actual percentage of shares granted that will vest |  |  |  |  |  |  |  | 1.10 |
Common stock |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Due to directors' deferred compensation plan (in shares) |  |  |  |  |  |  |  | 9,189 | 7,970
Employee Stock Option |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Expiration period |  |  |  |  |  |  |  | 10 years |
Share-based payment arrangement, expense | $ |  |  |  |  |  | $ 0.1 | $ 0.2 | $ 0.4 | $ 0.6
Future expense | $ | $ 0.5 |  |  |  |  | 0.5 |  | $ 0.5 |
Employee Stock Option | Officers |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Award vesting period |  |  |  |  |  |  |  | 4 years |
Restricted Stock |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based payment arrangement, expense | $ |  |  |  |  |  | 0.4 | $ 0.2 | $ 0.9 | $ 0.3
Future expense | $ | 5.8 |  |  |  |  | 5.8 |  | $ 5.8 |
Restricted stock granted (in shares) |  |  |  |  |  |  |  | 87,400 |
Restricted Stock | Officers |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Award vesting period |  |  |  |  | 5 years |  |  |  |
Options granted (in shares) |  | 119,000 |  |  | 117,000 |  |  |  |
Restricted Stock | Director |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Award vesting period |  |  |  |  |  |  |  | 3 years |
Restricted Stock | Director | Non-employee |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Options granted (in shares) |  | 16,000 |  |  |  |  |  |  |
Restricted stock granted (in shares) |  |  |  | 18,000 |  |  |  |  |
Performance Shares |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Future expense | $ | $ 5.3 |  |  |  |  | $ 5.3 |  | $ 5.3 |

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