XML 117 R104.htm IDEA: XBRL DOCUMENT v3.22.4
Liabilities for Outstanding Claims, Losses and Loss Adjustment Expenses (Computation of Historical Claims on Paid and Incurred Claims Data, Net of Reinsurance) (Details)
Dec. 31, 2022
Core - Commercial Multiple Peril Line [Member]  
Shortduration Insurance Contracts Historical Claims Duration [Line Items]  
1 33.20%
2 22.30%
3 11.20%
4 9.40%
5 7.30%
6 3.90%
7 3.10%
8 1.20%
Core - Workers' Compensation Line [Member]  
Shortduration Insurance Contracts Historical Claims Duration [Line Items]  
1 21.30%
2 27.90%
3 14.90%
4 8.20%
5 4.50%
6 2.80%
7 2.10%
8 1.40%
9 1.00%
10 0.40%
Core - Commercial Automobile Line [Member]  
Shortduration Insurance Contracts Historical Claims Duration [Line Items]  
1 14.20%
2 18.30%
3 19.00%
4 18.30%
5 11.30%
6 6.80%
7 5.00%
Core - General Liability And Umbrella - Occurrence [Member]  
Shortduration Insurance Contracts Historical Claims Duration [Line Items]  
1 2.80%
2 10.20%
3 15.10%
4 19.20%
5 14.80%
6 10.70%
7 3.70%
8 3.30%
9 1.50%
10 (0.00%)
Specialty Property And Casualty [Member]  
Shortduration Insurance Contracts Historical Claims Duration [Line Items]  
1 27.50%
2 23.20%
3 10.70%
4 10.00%
5 8.10%
6 5.60%
7 5.80%
Specialty - General Liability - Claims Made [Member]  
Shortduration Insurance Contracts Historical Claims Duration [Line Items]  
1 12.10%
2 28.70%
3 22.40%
4 11.40%
5 6.40%
6 5.90%
7 7.00%
Personal Automobile Lines [Member]  
Shortduration Insurance Contracts Historical Claims Duration [Line Items]  
1 28.50%
2 28.50%
3 17.00%
4 11.10%
5 7.30%
Homeowners [Member]  
Shortduration Insurance Contracts Historical Claims Duration [Line Items]  
1 64.20%
2 25.50%
3 4.00%
4 2.00%