Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5618551-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (a),(c),(d),(e)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959

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- Definition

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

+ References

No definition available.

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- Definition

Cumulative adjustment to future policy benefit reserve, excluding foreign exchange effects.

+ References

No definition available.

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Derivative Instruments - Components of life retrocession embedded derivative (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Derivative [Line Items]
Net realized and unrealized gains (losses) on life retrocession embedded derivative and derivative instruments - Life Funds Withheld Assets	$ 29,886	$ 7,798	$ 5,221
Life Funds Withheld Assets [Member]
Derivative [Line Items]
Net realized and unrealized gains (losses) on life retrocession embedded derivative	(450,831)
Net adjustments related to future policy benefit reserves, net of tax	(21,786)
Net realized and unrealized gains (losses) on derivative instruments - Life Funds Withheld Assets	(15,605)
Net realized and unrealized gains (losses) on life retrocession embedded derivative and derivative instruments - Life Funds Withheld Assets	(488,222)	0	0
Life Funds Withheld Assets [Member] \| Interest income
Derivative [Line Items]
Net realized and unrealized gains (losses) on life retrocession embedded derivative	(134,634)
Life Funds Withheld Assets [Member] \| Net realized and unrealized gains (losses
Derivative [Line Items]
Net realized and unrealized gains (losses) on life retrocession embedded derivative	(318,065)
Life Funds Withheld Assets [Member] \| Other
Derivative [Line Items]
Net realized and unrealized gains (losses) on life retrocession embedded derivative	$ 1,868