XML 82 R83.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Unpaid Losses And Loss Adjustment Expenses (Ultimate Incurred Losses And Cumulative Paid Losses And Allocated Loss Adjustment Expenses, Net Of Reinsurance) (Details)
number in Thousands, $ in Thousands
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 ($)
Dec. 31, 2012
USD ($)
Claims Development [Line Items]                
Total liabilities for unpaid losses and loss adjustment expenses, net of reinsurance $ 9,253,056              
Insurance [Member]                
Claims Development [Line Items]                
Ultimate incurred losses and allocated loss adjustment expenses, net of reinsurance 14,400,300              
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance 8,724,600              
All outstanding liabilities for unpaid losses and loss adjustment expenses before 2012, net of reinsurance 365,700              
Total liabilities for unpaid losses and loss adjustment expenses, net of reinsurance 6,041,424              
Insurance [Member] | 2012 Accident Year [Member]                
Claims Development [Line Items]                
Ultimate incurred losses and allocated loss adjustment expenses, net of reinsurance 1,330,500 $ 1,350,700 $ 1,364,100 $ 1,397,800 $ 1,430,200 $ 1,491,600 $ 1,613,200 $ 1,370,800
Total of incurred-but-not-reported liabilities, net of reinsurance $ 101,300              
Cumulative number of reported claims 128              
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance $ 1,180,100 1,153,200 1,119,800 1,055,000 939,500 781,500 568,600 233,800
Insurance [Member] | 2013 Accident Year [Member]                
Claims Development [Line Items]                
Ultimate incurred losses and allocated loss adjustment expenses, net of reinsurance 1,329,300 1,372,000 1,418,100 1,464,900 1,528,400 1,698,200 1,738,000  
Total of incurred-but-not-reported liabilities, net of reinsurance $ 126,700              
Cumulative number of reported claims 88              
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance $ 1,125,100 1,101,300 1,038,900 950,500 780,000 572,100 271,800  
Insurance [Member] | 2014 Accident Year [Member]                
Claims Development [Line Items]                
Ultimate incurred losses and allocated loss adjustment expenses, net of reinsurance 1,505,300 1,525,700 1,574,200 1,632,200 1,700,100 1,866,000    
Total of incurred-but-not-reported liabilities, net of reinsurance $ 138,600              
Cumulative number of reported claims 80              
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance $ 1,255,300 1,170,500 1,064,700 896,500 659,200 332,300    
Insurance [Member] | 2015 Accident Year [Member]                
Claims Development [Line Items]                
Ultimate incurred losses and allocated loss adjustment expenses, net of reinsurance 1,505,400 1,537,300 1,591,700 1,714,200 1,786,600      
Total of incurred-but-not-reported liabilities, net of reinsurance $ 197,100              
Cumulative number of reported claims 85              
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance $ 1,151,900 1,041,900 877,700 666,000 322,800      
Insurance [Member] | 2016 Accident Year [Member]                
Claims Development [Line Items]                
Ultimate incurred losses and allocated loss adjustment expenses, net of reinsurance 1,716,500 1,770,800 1,872,100 1,875,300        
Total of incurred-but-not-reported liabilities, net of reinsurance $ 297,300              
Cumulative number of reported claims 90              
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance $ 1,169,800 983,700 753,700 372,500        
Insurance [Member] | 2017 Accident Year [Member]                
Claims Development [Line Items]                
Ultimate incurred losses and allocated loss adjustment expenses, net of reinsurance 2,076,200 2,198,900 2,330,800          
Total of incurred-but-not-reported liabilities, net of reinsurance $ 422,400              
Cumulative number of reported claims 124              
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance $ 1,286,700 992,800 438,800          
Insurance [Member] | 2018 Accident Year [Member]                
Claims Development [Line Items]                
Ultimate incurred losses and allocated loss adjustment expenses, net of reinsurance 2,354,800 2,457,300            
Total of incurred-but-not-reported liabilities, net of reinsurance $ 904,000              
Cumulative number of reported claims 173              
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance $ 1,027,800 496,700            
Insurance [Member] | 2019 Accident Year [Member]                
Claims Development [Line Items]                
Ultimate incurred losses and allocated loss adjustment expenses, net of reinsurance 2,582,300              
Total of incurred-but-not-reported liabilities, net of reinsurance $ 1,639,800              
Cumulative number of reported claims 181              
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance $ 527,900              
Reinsurance [Member]                
Claims Development [Line Items]                
Ultimate incurred losses and allocated loss adjustment expenses, net of reinsurance 4,924,900              
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance 2,403,300              
All outstanding liabilities for unpaid losses and loss adjustment expenses before 2012, net of reinsurance 553,500              
Total liabilities for unpaid losses and loss adjustment expenses, net of reinsurance 3,075,109              
Reinsurance [Member] | 2012 Accident Year [Member]                
Claims Development [Line Items]                
Ultimate incurred losses and allocated loss adjustment expenses, net of reinsurance 445,100 448,000 456,200 457,800 486,600 508,700 551,700 73,000
Total of incurred-but-not-reported liabilities, net of reinsurance 42,400              
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance 309,500 289,500 264,400 232,000 184,300 129,100 64,700 $ 4,100
Reinsurance [Member] | 2013 Accident Year [Member]                
Claims Development [Line Items]                
Ultimate incurred losses and allocated loss adjustment expenses, net of reinsurance 489,400 507,500 544,800 534,700 548,300 580,300 588,000  
Total of incurred-but-not-reported liabilities, net of reinsurance 42,700              
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance 351,000 331,900 301,900 268,900 209,900 155,700 $ 71,300  
Reinsurance [Member] | 2014 Accident Year [Member]                
Claims Development [Line Items]                
Ultimate incurred losses and allocated loss adjustment expenses, net of reinsurance 535,400 559,100 581,200 536,400 564,500 577,400    
Total of incurred-but-not-reported liabilities, net of reinsurance 87,700              
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance 346,000 311,800 274,500 226,400 158,100 $ 98,000    
Reinsurance [Member] | 2015 Accident Year [Member]                
Claims Development [Line Items]                
Ultimate incurred losses and allocated loss adjustment expenses, net of reinsurance 511,900 523,500 532,400 514,000 527,900      
Total of incurred-but-not-reported liabilities, net of reinsurance 143,400              
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance 306,200 258,500 207,200 133,400 $ 63,800      
Reinsurance [Member] | 2016 Accident Year [Member]                
Claims Development [Line Items]                
Ultimate incurred losses and allocated loss adjustment expenses, net of reinsurance 529,300 530,600 532,100 522,100        
Total of incurred-but-not-reported liabilities, net of reinsurance 126,600              
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance 298,300 241,500 170,400 $ 79,700        
Reinsurance [Member] | 2017 Accident Year [Member]                
Claims Development [Line Items]                
Ultimate incurred losses and allocated loss adjustment expenses, net of reinsurance 943,100 938,100 905,300          
Total of incurred-but-not-reported liabilities, net of reinsurance 276,100              
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance 481,500 359,500 $ 158,000          
Reinsurance [Member] | 2018 Accident Year [Member]                
Claims Development [Line Items]                
Ultimate incurred losses and allocated loss adjustment expenses, net of reinsurance 792,500 759,200            
Total of incurred-but-not-reported liabilities, net of reinsurance 373,400              
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance 256,700 $ 87,500            
Reinsurance [Member] | 2019 Accident Year [Member]                
Claims Development [Line Items]                
Ultimate incurred losses and allocated loss adjustment expenses, net of reinsurance 678,200              
Total of incurred-but-not-reported liabilities, net of reinsurance 483,100              
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance $ 54,100              
Personal Lines [Member] | Insurance [Member] | 2012 Accident Year [Member]                
Claims Development [Line Items]                
Cumulative number of reported claims 66              
Personal Lines [Member] | Insurance [Member] | 2013 Accident Year [Member]                
Claims Development [Line Items]                
Cumulative number of reported claims 17              
Personal Lines [Member] | Insurance [Member] | 2017 Accident Year [Member]                
Claims Development [Line Items]                
Cumulative number of reported claims 24              
Personal Lines [Member] | Insurance [Member] | 2018 Accident Year [Member]                
Claims Development [Line Items]                
Cumulative number of reported claims 54              
Personal Lines [Member] | Insurance [Member] | 2019 Accident Year [Member]                
Claims Development [Line Items]                
Cumulative number of reported claims 78