Underwriting, Acquisition and Insurance Expenses (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Other Income and Expenses [Abstract] | ||||
| Amortization of policy acquisition costs | $ 71,154 | $ 44,636 | $ 130,770 | $ 89,126 |
| Other operating and general expenses | 47,755 | 37,730 | 107,844 | 75,878 |
| Corporate expenses | 4,372 | 3,230 | 9,281 | 7,143 |
| Total underwriting, acquisition and insurance expenses | $ 123,281 | $ 85,596 | $ 247,895 | $ 172,147 |
| X | ||||||||||
- Definition Deferred Policy Acquisition Costs, Amortization Expense And Other Cost And Expense, Operating No definition available.
|
| X | ||||||||||
- Definition Amount of amortization expense (reversal of expense) for deferred policy acquisition costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- References No definition available.
|