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Schedule IV - Reinsurance | 12 Months Ended
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Dec. 31, 2024
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract] |
Schedule IV - Reinsurance | SCHEDULE IV - REINSURANCE For the Twelve Months Ended December 31, 2024, 2023 and 2022 Premiums Written
| Direct |  | Assumed |  | Ceded |  | Net Amount
| ($ in millions)
2024 | $ | 2,723.5 |  |  | $ | 1,885.8 |  |  | $ | (1,666.7) |  |  | $ | 2,942.6 |
2023 | $ | 2,446.6 |  |  | $ | 1,521.0 |  |  | $ | (1,385.7) |  |  | $ | 2,581.9 |
2022 | $ | 2,531.7 |  |  | $ | 1,807.0 |  |  | $ | (1,442.7) |  |  | $ | 2,896.0 |
Premiums Earned
| Gross Amount |  | Assumed From Other Companies |  | Ceded to Other Companies |  | Net Amount |  | Percentage of Amount Assumed to Net Amount
| ($ in millions, except for percentages)
2024 | $ | 2,565.7 |  |  | $ | 1,822.1 |  |  | $ | (1,498.1) |  |  | $ | 2,889.7 |  |  | 63.1 | %
2023 | $ | 2,444.8 |  |  | $ | 1,562.0 |  |  | $ | (1,392.3) |  |  | $ | 2,614.5 |  |  | 59.7 | %
2022 | $ | 2,370.8 |  |  | $ | 1,617.2 |  |  | $ | (1,299.3) |  |  | $ | 2,688.7 |  |  | 60.1 | %

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- Definition The entire disclosure for the supplemental schedule of reinsurance information. Reinsurance schedule includes, but is not limited to, the type of insurance, gross amount of premiums, premiums ceded to other entities, premiums assumed from other entities, net amount of premium revenue, and the percentage of the premiums assumed to net premium revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 17 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477965/944-235-S99-2 + Details
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