XML 78 R51.htm IDEA: XBRL DOCUMENT v2.4.0.8
Company's Invested Assets and Derivative Instruments Measured at Fair Value on Recurring Basis (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets $ 1,450,625 $ 1,461,923
Common Shares
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 120,736 254,070
Other Invested Assets
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 21,118 3,489
Fixed Maturities
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 1,308,771 1,204,364
Fixed Maturities | U.S. Treasury and Agency Obligations
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 107,961 81,674
Fixed Maturities | Obligations of States and Political Subdivisions
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 196,446 180,936
Fixed Maturities | Mortgage Backed Securities
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 222,577 229,910
Fixed Maturities | Commercial Mortgage-Backed Securities
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 117,332 53,975
Fixed Maturities | Asset-backed Securities
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 173,307 168,436
Fixed Maturities | Corporate bonds and loans
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 384,545 435,392
Fixed Maturities | Foreign Corporate Bonds
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 106,603 54,041
Fair Value, Measurements, Recurring
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 1,450,625 1,463,591
Total invested liabilities 7,780  
Fair Value, Measurements, Recurring | Derivative instruments
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested liabilities 7,780  
Fair Value, Measurements, Recurring | Derivative instruments
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets   1,668
Fair Value, Measurements, Recurring | Common Shares
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 120,736 254,070
Fair Value, Measurements, Recurring | Other Invested Assets
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 21,118 3,489
Fair Value, Measurements, Recurring | Fixed Maturities
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 1,308,771 1,204,364
Fair Value, Measurements, Recurring | Fixed Maturities | U.S. Treasury and Agency Obligations
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 107,961 81,674
Fair Value, Measurements, Recurring | Fixed Maturities | Obligations of States and Political Subdivisions
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 196,446 180,936
Fair Value, Measurements, Recurring | Fixed Maturities | Mortgage Backed Securities
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 222,577 229,910
Fair Value, Measurements, Recurring | Fixed Maturities | Commercial Mortgage-Backed Securities
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 117,332 53,975
Fair Value, Measurements, Recurring | Fixed Maturities | Asset-backed Securities
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 173,307 168,436
Fair Value, Measurements, Recurring | Fixed Maturities | Corporate bonds and loans
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 384,545 435,392
Fair Value, Measurements, Recurring | Fixed Maturities | Foreign Corporate Bonds
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 106,603 54,041
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 220,224 325,364
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | Common Shares
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 120,736 254,070
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | Fixed Maturities
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 99,488 71,294
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | Fixed Maturities | U.S. Treasury and Agency Obligations
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 99,488 71,294
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 1,209,283 1,134,738
Total invested liabilities 7,780  
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Derivative instruments
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested liabilities 7,780  
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Derivative instruments
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets   1,668
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Fixed Maturities
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 1,209,283 1,133,070
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Fixed Maturities | U.S. Treasury and Agency Obligations
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 8,473 10,380
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Fixed Maturities | Obligations of States and Political Subdivisions
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 196,446 180,936
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Fixed Maturities | Mortgage Backed Securities
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 222,577 229,910
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Fixed Maturities | Commercial Mortgage-Backed Securities
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 117,332 53,975
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Fixed Maturities | Asset-backed Securities
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 173,307 168,436
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Fixed Maturities | Corporate bonds and loans
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 384,545 435,392
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Fixed Maturities | Foreign Corporate Bonds
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 106,603 54,041
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets 21,118 3,489
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Other Invested Assets
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total invested assets $ 21,118 $ 3,489