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		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	$ 76,282	$ (73,356)	$ 103,130	$ (18,672)
Net investment income
Derivatives not designated as hedging instruments
Change in fair value of GLWB	(8,980)	6,258	(19,430)	3,488
Policyholders' Funds
Derivatives not designated as hedging instruments
Embedded derivatives - GLWB	30,687		30,687		$ 11,257
Interest rate swaps \| Net investment income
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	8,687	(8,749)	19,309	(5,927)
Interest rate futures \| Net investment income
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	(7)	36	(211)	(115)
Interest rate futures \| Realized investment gains (losses)
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	(34)	37	(66)	172
Futures on equity indices \| Net investment income
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	(177)	271	(407)	418
Futures on equity indices \| Realized investment gains (losses)
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	(1,836)	(266)	(3,277)	(989)
Interest rate swaptions \| Net investment income
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	(61)	1,081	73	1,991
Interest rate swaptions \| Realized investment gains (losses)
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	(22)	(1,089)	(217)	(2,076)
Other forward contracts \| Net investment income
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	12,498	(34,585)	15,555	(17,760)
Other forward contracts \| Realized investment gains (losses)
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	9,158	7,250	12,096	(2,090)
Cross-currency swaps \| Net investment income
Derivatives not designated as hedging instruments
Gain (loss) on derivatives recognized in net income	48,076	(37,342)	60,275	7,704
Cash flow hedges:
Effect of derivative instruments in the condensed consolidated statement of income
Gain (loss) recognized in OCI on derivatives (Effective portion)	6,102	(16,633)	4,498	522
Gain (loss) reclassified from OCI into net income (Effective portion)	1,963	2,091	4,449	4,349
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)	3,974	(2,515)	4,499	626
Gain (loss) reclassified from OCI into net income (Effective portion)	1,337	1,837	2,831	3,693
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)	(24,733)	0	(24,733)	0
Gain (loss) reclassified from OCI into net income (Effective portion)	(583)	0	(583)	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	(22)	0	(43)
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)	26,861	(14,118)	24,732	(104)
Gain (loss) reclassified from OCI into net income (Effective portion)	1,209	276	2,201	699
Fair value hedges:
Effect of derivative instruments in the condensed consolidated statement of income
Gain (loss) on derivatives recognized in net income	0	381	0	(427)
Gain (loss) on hedged assets recognized in net income	0	(385)	0	428
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	569	0	(869)
Gain (loss) on hedged assets recognized in net income	0	(573)	0	870
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	(188)	0	442
Gain (loss) on hedged assets recognized in net income	$ 0	$ 188	$ 0	$ (442)