• Filing Date: 2014-03-12
  • Form Type: 10-K
  • Description: Annual report
v2.4.0.8
Investments - Summary of Securities with Gross Unrealized Loss Positions Aggregated by Investment Category (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]    
Gross Unrealized Loss, Less than Twelve Months $ (795) $ (139)
Fair Value, Less than Twelve Months 46,186 3,529
Gross Unrealized Loss, Twelve Months or Greater (253) (55)
Fair Value, Twelve Months or Greater 1,299 1,182
Gross Unrealized Loss, Total (1,048) (194)
Fair Value, Total 47,485 4,711
Fixed-Maturity Securities [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Gross Unrealized Loss, Less than Twelve Months (522) (3)
Fair Value, Less than Twelve Months 35,444 510
Gross Unrealized Loss, Twelve Months or Greater (7) (8)
Fair Value, Twelve Months or Greater 230 981
Gross Unrealized Loss, Total (529) (11)
Fair Value, Total 35,674 1,491
Fixed-Maturity Securities [Member] | U.S. Treasury and U.S. Government Agencies [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Gross Unrealized Loss, Less than Twelve Months (22)  
Fair Value, Less than Twelve Months 3,291  
Gross Unrealized Loss, Total (22)  
Fair Value, Total 3,291  
Fixed-Maturity Securities [Member] | Corporate Bonds [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Gross Unrealized Loss, Less than Twelve Months (212) (2)
Fair Value, Less than Twelve Months 9,502 444
Gross Unrealized Loss, Twelve Months or Greater (7) (8)
Fair Value, Twelve Months or Greater 230 981
Gross Unrealized Loss, Total (219) (10)
Fair Value, Total 9,732 1,425
Fixed-Maturity Securities [Member] | Commercial Mortgage-Backed Securities [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Gross Unrealized Loss, Less than Twelve Months (96)  
Fair Value, Less than Twelve Months 2,179  
Gross Unrealized Loss, Total (96)  
Fair Value, Total 2,179  
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 (181)  
Fair Value, Less than Twelve Months 20,233  
Gross Unrealized Loss, Total (181)  
Fair Value, Total 20,233  
Fixed-Maturity Securities [Member] | Redeemable Preferred Stock [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Gross Unrealized Loss, Less than Twelve Months (11) (1)
Fair Value, Less than Twelve Months 239 66
Gross Unrealized Loss, Total (11) (1)
Fair Value, Total 239 66
Equity Securities [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Gross Unrealized Loss, Less than Twelve Months (273) (136)
Fair Value, Less than Twelve Months 10,742 3,019
Gross Unrealized Loss, Twelve Months or Greater (246) (47)
Fair Value, Twelve Months or Greater 1,069 201
Gross Unrealized Loss, Total (519) (183)
Fair Value, Total $ 11,811 $ 3,220