XML 52 R41.htm IDEA: XBRL DOCUMENT v3.5.0.2
Investments - Summary of Proceeds Received and Gross Realized Gains and Losses from Sales of Available for Sale Securities (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Fixed-Maturity Securities [Member]        
Schedule of Available-for-sale Securities [Line Items]        
Proceeds $ 3,891 $ 48,225 $ 37,415 $ 51,510
Gross Realized Gains 196 31 579 90
Gross Realized Losses   (436)   (466)
Equity Securities [Member]        
Schedule of Available-for-sale Securities [Line Items]        
Proceeds 5,000 6,117 14,155 14,111
Gross Realized Gains 491 515 850 844
Gross Realized Losses $ (104) $ (406) $ (530) $ (1,031)