XML 61 R46.htm IDEA: XBRL DOCUMENT
v3.25.4

Reinsurance (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2025
Reinsurance Disclosures [Abstract] |
Schedule of Effects of Reinsurance | The following table provides the effects of reinsurance.
YEARS ENDED DECEMBER 31 |  | 2025 |  |  | 2024 |  |  | 2023 |  |
(in millions) |  |  |  |  |  |  |  |  |  |
Premiums written: |  |  |  |  |  |  |  |  |  |
Direct |  | $ | 6,999.6 |  |  | $ | 6,711.3 |  |  | $ | 6,411.9 |  |
Assumed |  |  | 23.0 |  |  |  | 21.6 |  |  |  | 21.0 |  |
Ceded |  |  | (700.5 | ) |  |  | (649.3 | ) |  |  | (622.7 | ) |
Net premiums written |  | $ | 6,322.1 |  |  | $ | 6,083.6 |  |  | $ | 5,810.2 |  |
Premiums earned: |  |  |  |  |  |  |  |  |  |
Direct |  | $ | 6,829.8 |  |  | $ | 6,551.0 |  |  | $ | 6,255.1 |  |
Assumed |  |  | 22.9 |  |  |  | 21.5 |  |  |  | 37.4 |  |
Ceded |  |  | (691.6 | ) |  |  | (659.9 | ) |  |  | (629.4 | ) |
Net premiums earned |  | $ | 6,161.1 |  |  | $ | 5,912.6 |  |  | $ | 5,663.1 |  |
Percentage of assumed to net premiums earned |  |  | 0.4 |  | % |  | 0.4 |  | % |  | 0.7 |  | %
Losses and LAE: |  |  |  |  |  |  |  |  |  |
Direct |  | $ | 4,098.0 |  |  | $ | 4,157.5 |  |  | $ | 4,489.4 |  |
Assumed |  |  | 19.5 |  |  |  | 19.0 |  |  |  | 42.5 |  |
Ceded |  |  | (388.2 | ) |  |  | (419.1 | ) |  |  | (397.3 | ) |
Net losses and LAE |  | $ | 3,729.3 |  |  | $ | 3,757.4 |  |  | $ | 4,134.6 |  |

X
- Definition Tabular disclosure of the effects of reinsurance, for example, but not limited to, disclosure of direct, assumed, and ceded insurance. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479838/944-20-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 605 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479032/944-605-50-1 + Details
Name: | us-gaap_EffectsOfReinsuranceTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ReinsuranceDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration