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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, 2021
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P&C Commercial Lines | Workers’ compensation |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 15.10%
2nd Year | 18.70%
3rd Year | 12.30%
4th Year | 8.20%
5th Year | 5.40%
6th Year | 4.00%
7th Year | 2.60%
8th Year | 2.10%
9th Year | 1.40%
10th Year | 1.30%
P&C Commercial Lines | General liability |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 2.90%
2nd Year | 7.80%
3rd Year | 14.20%
4th Year | 18.20%
5th Year | 16.60%
6th Year | 11.20%
7th Year | 6.90%
8th Year | 4.50%
9th Year | 3.10%
10th Year | 4.80%
P&C Commercial Lines | Marine [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 25.30%
2nd Year | 31.40%
3rd Year | 17.50%
4th Year | 8.00%
5th Year | 6.60%
6th Year | 3.40%
7th Year | 1.90%
8th Year | 3.10%
9th Year | 0.00%
10th Year | 0.70%
P&C Commercial Lines | Package business |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 37.40%
2nd Year | 21.80%
3rd Year | 10.40%
4th Year | 8.60%
5th Year | 6.20%
6th Year | 3.20%
7th Year | 2.10%
8th Year | 1.20%
9th Year | 0.40%
10th Year | 0.30%
P&C Commercial Lines | Property |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 53.50%
2nd Year | 30.60%
3rd Year | 7.70%
4th Year | 3.00%
5th Year | 1.00%
6th Year | 0.50%
7th Year | 0.10%
8th Year | (0.10%)
9th Year | (0.10%)
10th Year | 0.00%
P&C Commercial Lines | Automobile liability |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 15.80%
2nd Year | 20.30%
3rd Year | 20.60%
4th Year | 17.60%
5th Year | 11.40%
6th Year | 4.50%
7th Year | 2.70%
8th Year | 0.80%
9th Year | 0.50%
10th Year | 0.40%
P&C Commercial Lines | Commercial automobile physical damage |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 88.00%
2nd Year | 9.70%
3rd Year | (0.40%)
P&C Commercial Lines | Professional liability |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 5.30%
2nd Year | 18.40%
3rd Year | 18.70%
4th Year | 14.30%
5th Year | 10.80%
6th Year | 7.60%
7th Year | 5.90%
8th Year | 1.10%
9th Year | 1.60%
10th Year | 0.70%
P&C Commercial Lines | Bond |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 12.20%
2nd Year | 22.20%
3rd Year | 10.30%
4th Year | 4.60%
5th Year | (0.20%)
6th Year | (0.50%)
7th Year | 4.40%
8th Year | 1.80%
9th Year | (0.20%)
10th Year | (1.60%)
P&C Commercial Lines | Assumed Reinsurance [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 35.20%
2nd Year | 36.90%
3rd Year | 9.10%
4th Year | 4.90%
5th Year | 7.00%
6th Year | 2.40%
7th Year | 1.00%
8th Year | 0.30%
9th Year | 0.30%
10th Year | 0.10%
P&C Personal Lines | Automobile liability |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 34.70%
2nd Year | 33.30%
3rd Year | 16.00%
4th Year | 7.70%
5th Year | 3.10%
6th Year | 1.20%
7th Year | 0.50%
8th Year | 0.20%
9th Year | 0.20%
10th Year | 0.00%
P&C Personal Lines | Personal automobile physical damage |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 95.70%
2nd Year | 2.70%
3rd Year | (0.10%)
P&C Personal Lines | Homeowners |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 70.70%
2nd Year | 23.50%
3rd Year | 1.40%
4th Year | 0.30%
5th Year | 0.60%
6th Year | 0.30%
7th Year | 0.10%
8th Year | 0.10%
9th Year | 0.00%
10th Year | 0.00%

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- Definition Percentage of average annual payout, after reinsurance, in the first year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4G -URI http://asc.fasb.org/extlink&oid=116884468&loc=SL65671329-158438 + Details
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