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Losses, Claims and Settlement Expenses (Tables) | 6 Months Ended
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Jun. 30, 2025
Insurance [Abstract] |
Schedule of Changes in Aggregate Reserves for Losses, Claims and Settlement Expenses | The following table shows changes in aggregate reserves for the Company's loss and loss adjustment expenses:
| Six Months Ended
| June 30,
| 2025 |  | 2024
Gross reserves at beginning of period | $ | 13,727.7 |  |  | $ | 12,538.2 |
Less: Reinsurance losses recoverable | 5,807.1 |  |  | 4,977.7 |
Net reserves at beginning of period: |  |  |
Specialty Insurance | 7,341.5 |  |  | 6,955.2 |
Title Insurance | 572.7 |  |  | 598.5 |
Other | 6.4 |  |  | 6.6 |
Subtotal | 7,920.6 |  |  | 7,560.4 |
Incurred loss and loss adjustment expenses: |  |  |
Provisions for insured events of the current year: |  |  |
Specialty Insurance | 1,638.8 |  |  | 1,453.9 |
Title Insurance | 45.4 |  |  | 41.7 |
Other | 3.7 |  |  | 3.5 |
Subtotal | 1,687.9 |  |  | 1,499.1 |
Change in provision for insured events of prior years: |  |  |
Specialty Insurance | (77.7) |  |  | (55.8) |
Title Insurance | (9.0) |  |  | (14.2) |
Other | (1.8) |  |  | (0.8) |
Subtotal | (88.6) |  |  | (71.0) |
Total incurred loss and loss adjustment expenses | 1,599.3 |  |  | 1,428.1 |
Payments: |  |  |
Loss and loss adjustment expenses attributable to |  |  |
insured events of the current year: |  |  |
Specialty Insurance | 389.2 |  |  | 363.4 |
Title Insurance | 2.6 |  |  | 2.2 |
Other | 1.7 |  |  | 1.0 |
Subtotal | 393.6 |  |  | 366.6 |
Loss and loss adjustment expenses attributable to |  |  |
insured events of prior years: |  |  |
Specialty Insurance | 962.6 |  |  | 889.5 |
Title Insurance | 40.9 |  |  | 29.5 |
Other | 2.1 |  |  | 1.8 |
Subtotal | 1,005.8 |  |  | 921.0 |
Total payments | 1,399.5 |  |  | 1,287.6 |
Net reserves at end of period: |  |  |
Specialty Insurance | 7,550.5 |  |  | 7,100.3 |
Title Insurance | 565.4 |  |  | 594.1 |
Other | 4.3 |  |  | 6.4 |
Subtotal | 8,120.4 |  |  | 7,700.8 |
Reinsurance losses recoverable | 6,236.0 |  |  | 5,256.7 |
Gross reserves at end of period | $ | 14,356.4 |  |  | $ | 12,957.6 |

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- Definition Tabular disclosure of the analysis of changes in aggregate reserves for losses, claims, and settlement expenses. Additionally, tabular disclosure for net increases/decreases in reserves by segment and year-end net iBNR reserves carried in each segment. [Table Text Block] + References No definition available. + Details
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- References No definition available. + Details
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Period Type: | duration