XML 92 R77.htm IDEA: XBRL DOCUMENT v3.20.4
RESERVES FOR LOSSES AND LOSS SETTLEMENT EXPENSES (Incurred Claims and Allocated Claim Adjustment Expenses) (Details)
claim in Thousands, $ in Thousands
Dec. 31, 2020
USD ($)
claim
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Dec. 31, 2012
USD ($)
Dec. 31, 2011
USD ($)
Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 1,310,041                  
Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance 1,370,664                  
Cumulative development (10,655)                  
Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance 1,745,748                  
Cumulative development 4,024                  
Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance 477,439                  
Cumulative development (25,428)                  
Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance 516,338                  
2011 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance 81,394 $ 81,694 $ 80,338 $ 81,463 $ 80,801 $ 79,591 $ 88,200 $ 88,371 $ 64,738 $ 81,522
Total of incurred but not reported liabilities plus expected development on reported claims 11,202                  
Cumulative development $ (128)                  
Cumulative number of reported claims | claim 5,634                  
2011 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 121,982 121,749 121,319 121,434 120,219 119,820 120,492 117,082 142,330 148,220
Total of incurred but not reported liabilities plus expected development on reported claims 285                  
Cumulative development $ (26,238)                  
Cumulative number of reported claims | claim 16,079                  
2011 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 90,972 90,643 90,838 90,766 91,336 92,379 92,519 90,750 87,299 84,887
Total of incurred but not reported liabilities plus expected development on reported claims 32                  
Cumulative development $ 6,085                  
Cumulative number of reported claims | claim 15,262                  
2011 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 31,621 32,384 32,707 33,352 33,314 33,585 34,309 35,352 38,481 39,967
Total of incurred but not reported liabilities plus expected development on reported claims 159                  
Cumulative development $ (8,346)                  
Cumulative number of reported claims | claim 3,965                  
2011 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 46,751 46,752 46,761 46,733 47,013 46,968 47,035 47,090 48,534 $ 50,014
Total of incurred but not reported liabilities plus expected development on reported claims 0                  
Cumulative development $ (3,263)                  
Cumulative number of reported claims | claim 14,848                  
2012 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 89,900 91,571 89,731 91,346 92,537 91,980 94,195 96,158 100,389  
Total of incurred but not reported liabilities plus expected development on reported claims 12,862                  
Cumulative development $ (10,489)                  
Cumulative number of reported claims | claim 5,841                  
2012 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 110,245 109,480 109,687 108,623 107,958 108,047 108,774 110,448 138,602  
Total of incurred but not reported liabilities plus expected development on reported claims 634                  
Cumulative development $ (28,357)                  
Cumulative number of reported claims | claim 6,466                  
2012 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 96,176 96,059 96,305 96,389 96,594 95,321 94,755 90,848 100,039  
Total of incurred but not reported liabilities plus expected development on reported claims 0                  
Cumulative development $ (3,863)                  
Cumulative number of reported claims | claim 14,365                  
2012 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 38,290 39,063 39,182 39,015 38,553 38,423 42,158 46,279 48,848  
Total of incurred but not reported liabilities plus expected development on reported claims 229                  
Cumulative development $ (10,558)                  
Cumulative number of reported claims | claim 3,992                  
2012 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 44,160 44,158 44,165 44,352 44,715 46,150 46,403 46,199 $ 47,924  
Total of incurred but not reported liabilities plus expected development on reported claims 1                  
Cumulative development $ (3,764)                  
Cumulative number of reported claims | claim 10,790                  
2013 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 85,999 86,082 88,816 85,399 86,119 90,502 91,460 104,982    
Total of incurred but not reported liabilities plus expected development on reported claims 3,498                  
Cumulative development $ (18,983)                  
Cumulative number of reported claims | claim 6,406                  
2013 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 92,855 92,988 93,858 93,826 92,212 91,498 88,550 91,521    
Total of incurred but not reported liabilities plus expected development on reported claims 61                  
Cumulative development $ 1,334                  
Cumulative number of reported claims | claim 6,662                  
2013 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 106,140 104,886 105,248 104,980 103,726 102,943 98,037 104,356    
Total of incurred but not reported liabilities plus expected development on reported claims 356                  
Cumulative development $ 1,784                  
Cumulative number of reported claims | claim 15,528                  
2013 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 50,349 50,984 51,753 52,761 54,584 56,369 62,579 64,048    
Total of incurred but not reported liabilities plus expected development on reported claims 307                  
Cumulative development $ (13,699)                  
Cumulative number of reported claims | claim 4,255                  
2013 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 36,467 36,486 36,661 36,729 37,086 37,262 38,525 $ 39,232    
Total of incurred but not reported liabilities plus expected development on reported claims 1                  
Cumulative development $ (2,765)                  
Cumulative number of reported claims | claim 9,250                  
2014 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 107,417 105,507 102,487 97,809 106,486 117,958 118,928      
Total of incurred but not reported liabilities plus expected development on reported claims 4,907                  
Cumulative development $ (11,511)                  
Cumulative number of reported claims | claim 6,570                  
2014 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 127,068 126,811 128,503 128,185 128,762 131,198 126,216      
Total of incurred but not reported liabilities plus expected development on reported claims 108                  
Cumulative development $ 852                  
Cumulative number of reported claims | claim 7,935                  
2014 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 120,599 121,077 120,385 118,869 113,720 106,076 107,723      
Total of incurred but not reported liabilities plus expected development on reported claims 457                  
Cumulative development $ 12,876                  
Cumulative number of reported claims | claim 17,320                  
2014 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 52,889 53,023 54,636 56,630 58,284 60,729 64,051      
Total of incurred but not reported liabilities plus expected development on reported claims 699                  
Cumulative development $ (11,162)                  
Cumulative number of reported claims | claim 4,801                  
2014 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 52,810 52,702 52,615 52,782 52,944 52,661 $ 53,910      
Total of incurred but not reported liabilities plus expected development on reported claims 12                  
Cumulative development $ (1,100)                  
Cumulative number of reported claims | claim 10,959                  
2015 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 131,325 129,945 127,091 120,005 125,307 137,386        
Total of incurred but not reported liabilities plus expected development on reported claims 10,405                  
Cumulative development $ (6,061)                  
Cumulative number of reported claims | claim 7,732                  
2015 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 104,646 105,218 108,235 110,633 108,293 103,177        
Total of incurred but not reported liabilities plus expected development on reported claims 144                  
Cumulative development $ 1,469                  
Cumulative number of reported claims | claim 7,579                  
2015 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 137,335 137,395 138,987 132,206 129,816 125,506        
Total of incurred but not reported liabilities plus expected development on reported claims 500                  
Cumulative development $ 11,829                  
Cumulative number of reported claims | claim 20,079                  
2015 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 44,706 46,019 46,682 51,003 55,578 53,788        
Total of incurred but not reported liabilities plus expected development on reported claims 578                  
Cumulative development $ (9,082)                  
Cumulative number of reported claims | claim 5,666                  
2015 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 40,194 40,220 40,368 40,336 41,088 $ 42,848        
Total of incurred but not reported liabilities plus expected development on reported claims 22                  
Cumulative development $ (2,654)                  
Cumulative number of reported claims | claim 9,548                  
2016 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 140,784 142,397 136,275 130,041 139,144          
Total of incurred but not reported liabilities plus expected development on reported claims 15,698                  
Cumulative development $ 1,640                  
Cumulative number of reported claims | claim 8,882                  
2016 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 143,108 143,724 143,721 144,208 147,473          
Total of incurred but not reported liabilities plus expected development on reported claims 667                  
Cumulative development $ (4,365)                  
Cumulative number of reported claims | claim 9,849                  
2016 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 173,823 175,657 174,337 175,357 174,018          
Total of incurred but not reported liabilities plus expected development on reported claims 1,449                  
Cumulative development $ (195)                  
Cumulative number of reported claims | claim 27,288                  
2016 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 53,964 55,168 61,648 66,575 70,419          
Total of incurred but not reported liabilities plus expected development on reported claims 815                  
Cumulative development $ (16,455)                  
Cumulative number of reported claims | claim 7,927                  
2016 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 45,113 45,961 45,379 45,840 $ 48,072          
Total of incurred but not reported liabilities plus expected development on reported claims 58                  
Cumulative development $ (2,959)                  
Cumulative number of reported claims | claim 11,896                  
2017 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 156,369 152,547 139,032 139,602            
Total of incurred but not reported liabilities plus expected development on reported claims 24,426                  
Cumulative development $ 16,767                  
Cumulative number of reported claims | claim 8,883                  
2017 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 161,693 160,946 160,240 155,139            
Total of incurred but not reported liabilities plus expected development on reported claims 1,536                  
Cumulative development $ 6,554                  
Cumulative number of reported claims | claim 13,445                  
2017 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 233,159 235,110 224,553 227,919            
Total of incurred but not reported liabilities plus expected development on reported claims 5,553                  
Cumulative development $ 5,240                  
Cumulative number of reported claims | claim 32,838                  
2017 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 51,874 55,982 69,528 76,184            
Total of incurred but not reported liabilities plus expected development on reported claims 1,182                  
Cumulative development $ (24,310)                  
Cumulative number of reported claims | claim 8,173                  
2017 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 58,544 58,695 59,342 $ 60,330            
Total of incurred but not reported liabilities plus expected development on reported claims 119                  
Cumulative development $ (1,786)                  
Cumulative number of reported claims | claim 14,691                  
2018 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 176,496 172,894 163,059              
Total of incurred but not reported liabilities plus expected development on reported claims 34,486                  
Cumulative development $ 13,437                  
Cumulative number of reported claims | claim 8,590                  
2018 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 146,378 146,951 143,280              
Total of incurred but not reported liabilities plus expected development on reported claims 2,610                  
Cumulative development $ 3,098                  
Cumulative number of reported claims | claim 10,683                  
2018 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 253,045 245,173 236,629              
Total of incurred but not reported liabilities plus expected development on reported claims 14,134                  
Cumulative development $ 16,416                  
Cumulative number of reported claims | claim 34,380                  
2018 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 59,192 67,883 71,972              
Total of incurred but not reported liabilities plus expected development on reported claims 1,802                  
Cumulative development $ (12,780)                  
Cumulative number of reported claims | claim 7,947                  
2018 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 52,715 51,721 $ 51,639              
Total of incurred but not reported liabilities plus expected development on reported claims 365                  
Cumulative development $ 1,076                  
Cumulative number of reported claims | claim 13,658                  
2019 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 169,344 149,173                
Total of incurred but not reported liabilities plus expected development on reported claims 46,518                  
Cumulative development $ 20,171                  
Cumulative number of reported claims | claim 7,537                  
2019 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 155,482 164,030                
Total of incurred but not reported liabilities plus expected development on reported claims 4,271                  
Cumulative development $ (8,548)                  
Cumulative number of reported claims | claim 10,992                  
2019 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 291,139 279,229                
Total of incurred but not reported liabilities plus expected development on reported claims 38,451                  
Cumulative development $ 11,910                  
Cumulative number of reported claims | claim 34,393                  
2019 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 49,189 52,136                
Total of incurred but not reported liabilities plus expected development on reported claims 2,335                  
Cumulative development $ (2,947)                  
Cumulative number of reported claims | claim 7,113                  
2019 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 58,378 $ 59,547                
Total of incurred but not reported liabilities plus expected development on reported claims 581                  
Cumulative development $ (1,169)                  
Cumulative number of reported claims | claim 13,466                  
2020 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 171,013                  
Total of incurred but not reported liabilities plus expected development on reported claims $ 83,792                  
Cumulative number of reported claims | claim 4,478                  
2020 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 207,207                  
Total of incurred but not reported liabilities plus expected development on reported claims $ 29,773                  
Cumulative number of reported claims | claim 13,368                  
2020 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 243,360                  
Total of incurred but not reported liabilities plus expected development on reported claims $ 71,185                  
Cumulative number of reported claims | claim 22,331                  
2020 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 45,365                  
Total of incurred but not reported liabilities plus expected development on reported claims $ 4,289                  
Cumulative number of reported claims | claim 3,909                  
2020 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Incurred losses and allocated loss settlement expenses, net of reinsurance $ 81,206                  
Total of incurred but not reported liabilities plus expected development on reported claims $ 6,588                  
Cumulative number of reported claims | claim 15,585