XML 60 R50.htm IDEA: XBRL DOCUMENT v3.8.0.1
Investments - Amortized cost and fair value of trading securities (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Amortized cost of fixed maturities, trading $ 1,823,406 $ 1,548,178
Fixed maturities, trading at fair value 1,866,465 1,617,014
Amortized cost of short-term investments, trading 9,362 9,536
Short-term investments, trading at fair value 9,361 9,563
Total investments trading 1,875,826 1,626,577
Life Funds Withheld Assets    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Amortized cost of fixed maturities, trading 1,823,406 1,548,178
Fixed maturities, trading at fair value 1,866,465 1,617,014
Amortized cost of short-term investments, trading 9,362 9,536
Short-term investments, trading at fair value 9,361 9,563
Trading securities, cost 1,832,768 1,557,714
Total investments trading 1,875,826 1,626,577
Life Funds Withheld Assets | U.S. Government and Government Agencies    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Amortized cost of fixed maturities, trading 16,882 14,361
Fixed maturities, trading at fair value 15,815 14,708
Life Funds Withheld Assets | US States, municipalities and political subdivisions of the States    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Amortized cost of fixed maturities, trading   219
Fixed maturities, trading at fair value   224
Life Funds Withheld Assets | Non-U.S. Governments    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Amortized cost of fixed maturities, trading 457,983 426,225
Fixed maturities, trading at fair value 465,262 444,944
Life Funds Withheld Assets | Corporate    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Amortized cost of fixed maturities, trading 1,299,270 1,062,853
Fixed maturities, trading at fair value 1,334,783 1,111,205
Life Funds Withheld Assets | Residential mortgage-backed securities    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Amortized cost of fixed maturities, trading 886 936
Fixed maturities, trading at fair value 818 961
Life Funds Withheld Assets | Commercial mortgage-backed securities    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Amortized cost of fixed maturities, trading 7,453 5,242
Fixed maturities, trading at fair value 7,581 5,526
Life Funds Withheld Assets | Other asset-backed securities    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Amortized cost of fixed maturities, trading 40,932 38,342
Fixed maturities, trading at fair value $ 42,206 $ 39,446