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v3.25.1

Reinsurance - Schedule of Direct, Assumed, and Ceded Reinsurance Amounts (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Premiums written: |  |
Direct | $ 1,422,851 | $ 1,315,911
Assumed | 5,977 | 5,985
Ceded | (188,385) | (165,275)
Net | 1,240,443 | 1,156,621
Premiums earned: |  |
Direct | 1,340,446 | 1,205,368
Assumed | 6,151 | 6,191
Ceded | (187,840) | (160,615)
Net | 1,158,757 | 1,050,944
Loss and loss expense incurred: |  |
Direct | 830,672 | 753,567
Assumed | 5,498 | 5,981
Ceded | (89,845) | (55,256)
Net | $ 746,325 | $ 704,292

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