XML 116 R88.htm IDEA: XBRL DOCUMENT v3.6.0.2
Loss And Loss Adjustment Expense Reserves Historical Claims Duration (Details)
Dec. 31, 2016
Personal Lines Segment | Agency Channel | Personal Lines - Liability  
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]  
Short-duration Insurance Contracts, Historical Claims Duration, Year One 48.50%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two 30.60%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three 11.20%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four 5.20%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five 2.10%
Personal Lines Segment | Agency Channel | Personal Lines - Physical Damage  
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]  
Short-duration Insurance Contracts, Historical Claims Duration, Year One 98.30%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two 1.80%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three (0.10%)
Short-duration Insurance Contracts, Historical Claims Duration, Year Four 0.00%
Personal Lines Segment | Direct Channel | Personal Lines - Liability  
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]  
Short-duration Insurance Contracts, Historical Claims Duration, Year One 47.60%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two 31.00%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three 11.60%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four 5.20%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five 2.20%
Personal Lines Segment | Direct Channel | Personal Lines - Physical Damage  
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]  
Short-duration Insurance Contracts, Historical Claims Duration, Year One 99.50%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two 0.60%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three (0.10%)
Short-duration Insurance Contracts, Historical Claims Duration, Year Four (0.10%)
Short-duration Insurance Contracts, Historical Claims Duration, Year Five 0.00%
Commercial Lines Segment | Commercial Lines - Liability  
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]  
Short-duration Insurance Contracts, Historical Claims Duration, Year One 26.90%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two 28.90%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three 19.20%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four 11.30%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five 5.50%
Commercial Lines Segment | Commercial Lines - Physical Damage  
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]  
Short-duration Insurance Contracts, Historical Claims Duration, Year One 91.70%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two 6.80%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three 0.10%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four 0.10%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five (0.10%)
Property Segment | Property  
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]  
Short-duration Insurance Contracts, Historical Claims Duration, Year One 70.90%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two 21.10%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three 4.30%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four 2.10%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five 0.70%