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Insurance Contracts (Details) $ in Thousands | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
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Insurance [Line Items] |  |  |  |
Short-Duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | $ 15,702 |  |  |
Short-Duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net | 78,981 |  |  |
Commercial Auto | Specialty Property & Casualty Program |  |  |  |
Insurance [Line Items] |  |  |  |
Short-Duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 48,567 |  |  |
Short-Duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | 19,847 |  |  |
Short Duration Insurance Contract Liability For Unpaid Clams and Allocated Claim Adjustment Expense Subtotal For Separately Presented | 28,720 | $ 0 |  |
Short-Duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net | $ 28,720 |  |  |
Short-Duration Insurance Contracts, Historical Claims Duration, Year Four | 55.10% |  |  |
Commercial Auto | Short-Duration Insurance Contract, Accident Year 2021 | Specialty Property & Casualty Program |  |  |  |
Insurance [Line Items] |  |  |  |
Short-Duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | $ 962 | 978 | $ 468 | $ 432
Short-Duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 150 |  |  |
Short-Duration Insurance Contract, Cumulative Number of Reported Claims | 80 |  |  |
Short-Duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 681 | 151 | 44 | 7
Commercial Auto | Short-Duration Insurance Contract, Accident Year 2022 | Specialty Property & Casualty Program |  |  |  |
Insurance [Line Items] |  |  |  |
Short-Duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 9,099 | 7,866 | 8,225 |
Short-Duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 1,959 |  |  |
Short-Duration Insurance Contract, Cumulative Number of Reported Claims | 1,155 |  |  |
Short-Duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 4,700 | 2,325 | 555 |
Commercial Auto | Short-Duration Insurance Contract, Accident Year 2023 | Specialty Property & Casualty Program |  |  |  |
Insurance [Line Items] |  |  |  |
Short-Duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 23,313 | 19,459 |  |
Short-Duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 6,496 |  |  |
Short-Duration Insurance Contract, Cumulative Number of Reported Claims | 3,197 |  |  |
Short-Duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 10,989 | 3,914 |  |
Commercial Auto | Short-Duration Insurance Contract, Accident Year 2024 | Specialty Property & Casualty Program |  |  |  |
Insurance [Line Items] |  |  |  |
Short-Duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 15,193 |  |  |
Short-Duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 7,583 |  |  |
Short-Duration Insurance Contract, Cumulative Number of Reported Claims | 2,768 |  |  |
Short-Duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 3,477 |  |  |
Excess and General Liability | Specialty Property & Casualty Program |  |  |  |
Insurance [Line Items] |  |  |  |
Short-Duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | 845 |  |  |
Short Duration Insurance Contract Liability For Unpaid Clams and Allocated Claim Adjustment Expense Subtotal For Separately Presented | 14,857 |  |  |
Short-Duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net | $ 14,857 |  |  |
Short-Duration Insurance Contracts, Historical Claims Duration, Year One | 0.60% |  |  |
Short-Duration Insurance Contracts, Historical Claims Duration, Year Two | 3.70% |  |  |
Short-Duration Insurance Contracts, Historical Claims Duration, Year Three | 31.30% |  |  |
Short-Duration Insurance Contracts, Historical Claims Duration, Year Four | 0.00% |  |  |
Excess and General Liability | Short-Duration Insurance Contract, Accident Year 2021 | Specialty Property & Casualty Program |  |  |  |
Insurance [Line Items] |  |  |  |
Short-Duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | $ 12 | 10 | 3 | 3
Short-Duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 2 |  |  |
Short-Duration Insurance Contract, Cumulative Number of Reported Claims | 1 |  |  |
Short-Duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 0 |  | 0 | 0
Excess and General Liability | Short-Duration Insurance Contract, Accident Year 2022 | Specialty Property & Casualty Program |  |  |  |
Insurance [Line Items] |  |  |  |
Short-Duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 589 | 350 | 372 |
Short-Duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 227 |  |  |
Short-Duration Insurance Contract, Cumulative Number of Reported Claims | 6 |  |  |
Short-Duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 368 |  | 1 |
Excess and General Liability | Short-Duration Insurance Contract, Accident Year 2023 | Specialty Property & Casualty Program |  |  |  |
Insurance [Line Items] |  |  |  |
Short-Duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 2,901 | 3,597 |  |
Short-Duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 2,434 |  |  |
Short-Duration Insurance Contract, Cumulative Number of Reported Claims | 69 |  |  |
Short-Duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 316 | 30 |  |
Excess and General Liability | Short-Duration Insurance Contract, Accident Year 2024 | Specialty Property & Casualty Program |  |  |  |
Insurance [Line Items] |  |  |  |
Short-Duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 12,200 |  |  |
Short-Duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 10,877 |  |  |
Short-Duration Insurance Contract, Cumulative Number of Reported Claims | 177 |  |  |
Short-Duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 161 |  |  |
Workers' Compensation Insurance | Specialty Property & Casualty Program |  |  |  |
Insurance [Line Items] |  |  |  |
Short-Duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 22,542 |  |  |
Short-Duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | 8,077 |  |  |
Short Duration Insurance Contract Liability For Unpaid Clams and Allocated Claim Adjustment Expense Subtotal For Separately Presented | 14,465 | 0 |  |
Short-Duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net | $ 14,465 |  |  |
Short-Duration Insurance Contracts, Historical Claims Duration, Year One | 11.60% |  |  |
Short-Duration Insurance Contracts, Historical Claims Duration, Year Two | 17.90% |  |  |
Short-Duration Insurance Contracts, Historical Claims Duration, Year Three | 18.60% |  |  |
Short-Duration Insurance Contracts, Historical Claims Duration, Year Four | 0.00% |  |  |
Workers' Compensation Insurance | Short-Duration Insurance Contract, Accident Year 2021 | Specialty Property & Casualty Program |  |  |  |
Insurance [Line Items] |  |  |  |
Short-Duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | $ 0 | 0 | 0 | 0
Short-Duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 0 |  |  |
Short-Duration Insurance Contract, Cumulative Number of Reported Claims | 0 |  |  |
Short-Duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 0 | 0 | 0 | $ 0
Workers' Compensation Insurance | Short-Duration Insurance Contract, Accident Year 2022 | Specialty Property & Casualty Program |  |  |  |
Insurance [Line Items] |  |  |  |
Short-Duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 0 | 0 | 0 |
Short-Duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 0 |  |  |
Short-Duration Insurance Contract, Cumulative Number of Reported Claims | 0 |  |  |
Short-Duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 0 | 0 | $ 0 |
Workers' Compensation Insurance | Short-Duration Insurance Contract, Accident Year 2023 | Specialty Property & Casualty Program |  |  |  |
Insurance [Line Items] |  |  |  |
Short-Duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 6,056 | 6,053 |  |
Short-Duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ (331) |  |  |
Short-Duration Insurance Contract, Cumulative Number of Reported Claims | 2,308 |  |  |
Short-Duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 3,938 | $ 807 |  |
Workers' Compensation Insurance | Short-Duration Insurance Contract, Accident Year 2024 | Specialty Property & Casualty Program |  |  |  |
Insurance [Line Items] |  |  |  |
Short-Duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 16,486 |  |  |
Short-Duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 8,156 |  |  |
Short-Duration Insurance Contract, Cumulative Number of Reported Claims | 3,177 |  |  |
Short-Duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 4,139 |  |  |

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