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Loss and Loss Adjustment Expense Reserves - Average Annual Percentage Payout of Incurred Losses and Allocated LAE by Age, Net of Reinsurance (Details) - Ark | Dec. 31, 2022
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Property and Accident & Health |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1 | 31.40%
2 | 34.20%
3 | 19.30%
4 | 5.50%
5 | 1.20%
6 | 0.80%
7 | 0.80%
8 | 0.30%
9 | 0.00%
10 | 0.00%
Marine & Energy |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1 | 17.40%
2 | 35.80%
3 | 19.90%
4 | 5.90%
5 | 4.30%
6 | 6.90%
7 | 0.30%
8 | 0.30%
9 | (0.30%)
10 | 0.10%
Specialty |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1 | 25.80%
2 | 33.40%
3 | 7.80%
4 | 4.80%
5 | 5.90%
6 | 5.90%
7 | 1.40%
8 | 1.90%
9 | (3.20%)
10 | (0.80%)
Casualty - Active |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1 | 6.80%
2 | 11.70%
3 | 16.70%
4 | 12.70%
5 | 8.00%
6 | 10.80%
7 | 4.90%
8 | 3.10%
9 | 1.20%
10 | 2.90%
Casualty - Runoff |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1 | 9.40%
2 | 15.40%
3 | 17.20%
4 | 15.70%
5 | 9.00%
6 | 7.40%
7 | 6.30%
8 | 4.30%
9 | 2.80%
10 | 1.40%

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