XML 45 R73.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Average Annual Payout (Details)
Dec. 31, 2019
Commercial Insurance | Commercial Casualty Line  
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]  
1 7.80%
2 15.00%
3 18.20%
4 18.40%
5 13.30%
6 9.10%
7 4.80%
8 3.90%
9 2.20%
10 0.80%
Commercial Insurance | Workers' Compensation Line  
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]  
1 26.40%
2 26.70%
3 12.00%
4 7.00%
5 3.90%
6 2.20%
7 1.30%
8 1.00%
9 1.20%
10 0.80%
Commercial Insurance | Commercial Auto Line  
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]  
1 41.40%
2 18.40%
3 15.50%
4 12.10%
5 6.30%
Commercial Insurance | Commercial Property Line  
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]  
1 66.90%
2 26.20%
3 4.50%
4 1.50%
5 0.10%
Personal Insurance | Personal Auto  
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]  
1 64.20%
2 17.40%
3 9.10%
4 5.40%
5 2.40%
Personal Insurance | Home Owner Line  
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]  
1 70.90%
2 23.00%
3 4.40%
4 1.20%
5 0.30%
Excess and Surplus Lines Insurance  
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]  
1 15.30%
2 14.40%
3 19.10%
4 15.50%
5 11.60%
6 7.20%
7 3.30%
8 1.30%
9 0.80%