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Reserve for Unpaid Losses and Loss Adjustment Expenses - Average Annual Payout of Incurred Claims by Age, P&C (Details) | Dec. 31, 2024
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Workers' Compensation | P&C Business Insurance [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 14.80%
2nd Year | 18.40%
3rd Year | 12.10%
4th Year | 8.10%
5th Year | 5.70%
6th Year | 4.00%
7th Year | 2.90%
8th Year | 2.10%
9th Year | 1.70%
10th Year | 1.30%
General liability | P&C Business Insurance [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 2.50%
2nd Year | 7.80%
3rd Year | 11.80%
4th Year | 16.60%
5th Year | 15.50%
6th Year | 12.30%
7th Year | 9.10%
8th Year | 5.90%
9th Year | 3.70%
10th Year | 0.60%
Marine [Member] | P&C Business Insurance [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 22.80%
2nd Year | 32.00%
3rd Year | 16.80%
4th Year | 7.50%
5th Year | 6.70%
6th Year | 6.20%
7th Year | 0.80%
8th Year | 0.40%
9th Year | (1.50%)
10th Year | (0.70%)
Package Business [Member] | P&C Business Insurance [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 35.80%
2nd Year | 22.40%
3rd Year | 9.60%
4th Year | 9.30%
5th Year | 6.40%
6th Year | 4.30%
7th Year | 3.30%
8th Year | 2.10%
9th Year | 1.40%
10th Year | 1.20%
Property Insurance [Member] | P&C Business Insurance [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 49.90%
2nd Year | 31.90%
3rd Year | 7.50%
4th Year | 3.30%
5th Year | 1.50%
6th Year | 0.80%
7th Year | 0.00%
8th Year | 0.20%
9th Year | (0.20%)
10th Year | (0.50%)
Property Insurance [Member] | P&C Personal Insurance [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 67.70%
2nd Year | 26.20%
3rd Year | 2.00%
4th Year | 0.60%
5th Year | 0.80%
6th Year | 0.20%
7th Year | 0.10%
8th Year | 0.10%
9th Year | 0.10%
10th Year | 0.00%
Automobile liability | P&C Business Insurance [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 14.10%
2nd Year | 19.40%
3rd Year | 20.10%
4th Year | 17.00%
5th Year | 12.20%
6th Year | 6.80%
7th Year | 4.20%
8th Year | 1.20%
9th Year | 0.70%
10th Year | 0.00%
Automobile liability | P&C Personal Insurance [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 32.70%
2nd Year | 34.40%
3rd Year | 16.30%
4th Year | 8.00%
5th Year | 3.60%
6th Year | 1.40%
7th Year | 0.60%
8th Year | 0.20%
9th Year | 0.20%
10th Year | 0.10%
Commercial automobile physical damage | P&C Business Insurance [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 78.20%
2nd Year | 17.30%
3rd Year | (0.20%)
Professional liability | P&C Business Insurance [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 5.30%
2nd Year | 16.10%
3rd Year | 16.50%
4th Year | 11.80%
5th Year | 9.60%
6th Year | 10.30%
7th Year | 8.90%
8th Year | 3.40%
9th Year | 2.40%
10th Year | (1.90%)
Surety Product Line [Member] | P&C Business Insurance [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 11.10%
2nd Year | 26.40%
3rd Year | 11.00%
4th Year | 8.60%
5th Year | 1.20%
6th Year | (1.10%)
7th Year | (1.60%)
8th Year | (7.80%)
9th Year | (0.30%)
10th Year | (0.30%)
Assumed Reinsurance [Member] | P&C Business Insurance [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 26.10%
2nd Year | 33.00%
3rd Year | 14.20%
4th Year | 6.80%
5th Year | 5.90%
6th Year | 2.40%
7th Year | (1.00%)
8th Year | 0.80%
9th Year | 0.10%
10th Year | (0.40%)
Personal automobile physical damage | P&C Personal Insurance [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 91.90%
2nd Year | 6.30%
3rd Year | (0.40%)

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