XML 112 R84.htm IDEA: XBRL DOCUMENT v3.10.0.1
Reserve for Loss and Loss Expense (Roll Forward of Gross and Net Asbestos and Net Environmental Incurred Losses and Loss Expenses and Related Reserves) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Liability for Claims and Claims Adjustment Expense [Line Items]      
Reserve for loss and loss expense at beginning of year, gross $ 28,415 $ 29,962 $ 30,411
Incurred loss and loss expense, gross 3,059 126 1,483
Less: loss and loss expense paid, gross (1,454) (1,673) (1,932)
Reserve for loss and loss expense at the end of year, gross 30,020 28,415 29,962
Reserve for loss and loss expense at beginning of year, net 21,212 22,716 23,161
Incurred loss and loss expense, net 2,877 0 1,380
Less: loss and loss expense paid, net (1,306) (1,504) (1,825)
Reserve for loss and loss expense at the end of year, net 22,783 21,212 22,716
Asbestos [Member]      
Liability for Claims and Claims Adjustment Expense [Line Items]      
Reserve for loss and loss expense at beginning of year, gross 7,577 7,847 8,024
Incurred loss and loss expense, gross 0 0 (77)
Less: loss and loss expense paid, gross (249) (270) (254)
Reserve for loss and loss expense at the end of year, gross 7,328 7,577 7,847
Reserve for loss and loss expense at beginning of year, net 6,346 6,615 6,793
Incurred loss and loss expense, net 0 0 77
Less: loss and loss expense paid, net (249) (269) (255)
Reserve for loss and loss expense at the end of year, net 6,097 6,346 6,615
Enviromental [Member]      
Liability for Claims and Claims Adjustment Expense [Line Items]      
Reserve for loss and loss expense at beginning of year, gross 20,838 22,115 22,387
Incurred loss and loss expense, gross 3,059 126 1,406
Less: loss and loss expense paid, gross (1,205) (1,403) (1,678)
Reserve for loss and loss expense at the end of year, gross 22,692 20,838 22,115
Reserve for loss and loss expense at beginning of year, net 14,866 16,101 16,368
Incurred loss and loss expense, net 2,877 0 1,303
Less: loss and loss expense paid, net (1,057) (1,235) (1,570)
Reserve for loss and loss expense at the end of year, net $ 16,686 $ 14,866 $ 16,101