XML 55 R44.htm IDEA: XBRL DOCUMENT v3.5.0.2
Investments - Summary of Securities with Gross Unrealized Loss Positions Aggregated by Investment Category (Detail) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]    
Gross Unrealized Loss, Less than Twelve Months $ (709) $ (5,690)
Fair Value, Less than Twelve Months 34,499 52,219
Gross Unrealized Loss, Twelve Months or Greater (1,094) (1,261)
Fair Value, Twelve Months or Greater 16,416 4,922
Gross Unrealized Loss, Total (1,803) (6,951)
Fair Value, Total 50,915 57,141
Equity Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Gross Unrealized Loss, Less than Twelve Months (196) (1,350)
Fair Value, Less than Twelve Months 4,500 15,748
Gross Unrealized Loss, Twelve Months or Greater (154) (100)
Fair Value, Twelve Months or Greater 3,573 1,460
Gross Unrealized Loss, Total (350) (1,450)
Fair Value, Total 8,073 17,208
Fixed-Maturity Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Gross Unrealized Loss, Less than Twelve Months (513) (4,340)
Fair Value, Less than Twelve Months 29,999 36,471
Gross Unrealized Loss, Twelve Months or Greater (940) (1,161)
Fair Value, Twelve Months or Greater 12,843 3,462
Gross Unrealized Loss, Total (1,453) (5,501)
Fair Value, Total 42,842 39,933
Fixed-Maturity Securities [Member] | Corporate Bonds [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Gross Unrealized Loss, Less than Twelve Months (356) (3,667)
Fair Value, Less than Twelve Months 22,352 24,196
Gross Unrealized Loss, Twelve Months or Greater (835) (1,148)
Fair Value, Twelve Months or Greater 8,363 3,278
Gross Unrealized Loss, Total (1,191) (4,815)
Fair Value, Total 30,715 27,474
Fixed-Maturity Securities [Member] | State, Municipalities, and Political Subdivisions [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Gross Unrealized Loss, Less than Twelve Months (136) (107)
Fair Value, Less than Twelve Months 5,614 6,587
Gross Unrealized Loss, Twelve Months or Greater (58) (13)
Fair Value, Twelve Months or Greater 2,527 184
Gross Unrealized Loss, Total (194) (120)
Fair Value, Total 8,141 6,771
Fixed-Maturity Securities [Member] | Exchange-Traded Debt [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Gross Unrealized Loss, Less than Twelve Months (21) (565)
Fair Value, Less than Twelve Months 2,033 5,559
Gross Unrealized Loss, Twelve Months or Greater (47)  
Fair Value, Twelve Months or Greater 1,953  
Gross Unrealized Loss, Total (68) (565)
Fair Value, Total $ 3,986 5,559
Fixed-Maturity Securities [Member] | Redeemable Preferred Stock [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Gross Unrealized Loss, Less than Twelve Months   (1)
Fair Value, Less than Twelve Months   129
Gross Unrealized Loss, Total   (1)
Fair Value, Total   $ 129