XML 106 R89.htm IDEA: XBRL DOCUMENT v3.3.1.900
Derivative Instruments (Non Hedging Derivatives and Embedded Derivatives Effect on Income Statement) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Affect Of Non Hedging Derivatives [Line Items]      
Total investment related gains (losses), net $ (164,750) $ 186,193 $ 63,990
Other revenues (277,692) (334,456) (300,471)
Gain Loss On Investments Related To Change In Fair Value Of Derivatives Excluding Embedded Derivatives 7,408 80,661 (177,258)
Interest credited 336,964 451,031 476,514
Not Designated as Hedging Instrument [Member]      
Income Affect Of Non Hedging Derivatives [Line Items]      
Total investment related gains (losses), net (105,136) 44,958 (80,440)
Not Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]      
Income Affect Of Non Hedging Derivatives [Line Items]      
Total investment related gains (losses), net 20,358 94,848 (84,398)
Not Designated as Hedging Instrument [Member] | Interest Rate Options [Member]      
Income Affect Of Non Hedging Derivatives [Line Items]      
Total investment related gains (losses), net 3,275 15,641 (11,518)
Not Designated as Hedging Instrument [Member] | Future [Member]      
Income Affect Of Non Hedging Derivatives [Line Items]      
Total investment related gains (losses), net 319 (9,550) (11,157)
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member]      
Income Affect Of Non Hedging Derivatives [Line Items]      
Total investment related gains (losses), net (1,160) (8,691) (13,201)
Not Designated as Hedging Instrument [Member] | Consumer Price Index Swap [Member]      
Income Affect Of Non Hedging Derivatives [Line Items]      
Total investment related gains (losses), net (208) (344) (1,942)
Not Designated as Hedging Instrument [Member] | Credit Default Swap [Member]      
Income Affect Of Non Hedging Derivatives [Line Items]      
Total investment related gains (losses), net (4,683) 3,938 24,188
Not Designated as Hedging Instrument [Member] | Equity [Member]      
Income Affect Of Non Hedging Derivatives [Line Items]      
Total investment related gains (losses), net (16,899) (22,472) (79,230)
Not Designated as Hedging Instrument [Member] | Longevity Swap [Member]      
Income Affect Of Non Hedging Derivatives [Line Items]      
Other revenues (8,228) (8,088) 0
Not Designated as Hedging Instrument [Member] | Mortality Swap [Member]      
Income Affect Of Non Hedging Derivatives [Line Items]      
Other revenues (1,822) (797) 0
Not Designated as Hedging Instrument [Member] | Embedded Derivatives In Modified Coinsurance Or Funds Withheld Arrangements [Member]      
Income Affect Of Non Hedging Derivatives [Line Items]      
Total investment related gains (losses), net (98,792) 198,365 70,177
Not Designated as Hedging Instrument [Member] | Embedded Derivatives In Indexed Annuity [Member]      
Income Affect Of Non Hedging Derivatives [Line Items]      
Interest credited 19,440 104,844 115,409
Not Designated as Hedging Instrument [Member] | Embedded Derivatives In Variable Annuity [Member]      
Income Affect Of Non Hedging Derivatives [Line Items]      
Total investment related gains (losses), net $ (33,192) $ (129,224) $ 142,050