Segment Information - Additional Information (Detail) - Segment |
3 Months Ended | |
---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
|
Segment Reporting Information [Line Items] | ||
Number of operating divisions | 5 | |
Sales Revenue, Net [Member] | Segment Concentration Risk [Member] | Insurance Operation [Member] | ||
Segment Reporting Information [Line Items] | ||
Concentration risk, percentage | 77.00% | 85.10% |
Sales Revenue, Net [Member] | Segment Concentration Risk [Member] | TypTap Group [Member] | ||
Segment Reporting Information [Line Items] | ||
Concentration risk, percentage | 16.70% | 12.70% |
Assets [Member] | Segment Concentration Risk [Member] | Insurance Operation [Member] | ||
Segment Reporting Information [Line Items] | ||
Concentration risk, percentage | 81.10% | 83.60% |
Assets [Member] | Segment Concentration Risk [Member] | Exzeo Group [Member] | ||
Segment Reporting Information [Line Items] | ||
Concentration risk, percentage | 5.50% | 3.70% |