Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.

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Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

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Derivative Financial Instruments (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	$ 11,781	$ 86,668	$ 114,910	$ 67,996
Net investment income
Derivatives not designated as hedging instruments
Change in fair value of GLWB	(590)	(6,858)	(20,020)	(3,370)
Policyholders' Funds
Derivatives not designated as hedging instruments
Embedded derivatives - GLWB	31,277		31,277		$ 11,257
Interest rate swaps \| Net investment income
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	418	6,480	19,727	553
Interest rate futures \| Net investment income
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	134	(99)	(77)	(214)
Interest rate futures \| Realized investment gains (losses)
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	(183)	(117)	(249)	55
Futures on equity indices \| Net investment income
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	510	478	103	896
Futures on equity indices \| Realized investment gains (losses)
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	(2,081)	1,111	(5,358)	122
Interest rate swaptions \| Net investment income
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	23	928	96	2,919
Interest rate swaptions \| Realized investment gains (losses)
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	(39)	0	(256)	(2,076)
Other forward contracts \| Net investment income
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	(8,286)	32,538	7,268	14,778
Other forward contracts \| Realized investment gains (losses)
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	19,413	8,504	31,509	6,414
Cross-currency swaps \| Net investment income
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	1,872	36,845	62,147	44,549
Cash flow hedges:
Effect of derivative instruments in the condensed consolidated statement of income
Gain (loss) recognized in OCI on derivatives (Effective portion)	(7,805)	14,804	(3,307)	15,326
Gain (loss) reclassified from OCI into net income (Effective portion)	1,819	2,099	6,268	6,448
Cash flow hedges: \| Interest rate swaps \| Net investment income
Effect of derivative instruments in the condensed consolidated statement of income
Gain (loss) recognized in OCI on derivatives (Effective portion)	(401)	(937)	4,098	(311)
Gain (loss) reclassified from OCI into net income (Effective portion)	1,335	1,490	4,166	5,183
Cash flow hedges: \| Interest rate swaps \| Interest Expense
Effect of derivative instruments in the condensed consolidated statement of income
Gain (loss) recognized in OCI on derivatives (Effective portion)	(4,284)	0	(29,017)	0
Gain (loss) reclassified from OCI into net income (Effective portion)	(1,092)	0	(1,675)	0
Cash flow hedges: \| Interest rate futures \| Net investment income
Effect of derivative instruments in the condensed consolidated statement of income
Gain (loss) recognized in OCI on derivatives (Effective portion)	0	0	0	0
Gain (loss) reclassified from OCI into net income (Effective portion)	0	(21)	0	(64)
Cash flow hedges: \| Cross-currency swaps \| Net investment income
Effect of derivative instruments in the condensed consolidated statement of income
Gain (loss) recognized in OCI on derivatives (Effective portion)	(3,120)	15,741	21,612	15,637
Gain (loss) reclassified from OCI into net income (Effective portion)	1,576	630	3,777	1,329
Fair value hedges:
Effect of derivative instruments in the condensed consolidated statement of income
Gain (loss) on derivatives recognized in net income	0	(297)	0	(724)
Gain (loss) on hedged assets recognized in net income	0	300	0	728
Fair value hedges: \| Interest rate swaps \| Net investment income
Effect of derivative instruments in the condensed consolidated statement of income
Gain (loss) on derivatives recognized in net income	0	(620)	0	(1,489)
Gain (loss) on hedged assets recognized in net income	0	623	0	1,493
Fair value hedges: \| Interest rate swaps \| Realized investment gains (losses)
Effect of derivative instruments in the condensed consolidated statement of income
Gain (loss) on derivatives recognized in net income	0	323	0	765
Gain (loss) on hedged assets recognized in net income	$ 0	$ (323)	$ 0	$ (765)