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INVESTMENTS (DETAILS 10) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Schedule Of Available For Sale Securities [Line Items]
Fair Value (fixed maturities)	$ 11,719,749	$ 12,129,273
Non-US Government [Member]
Schedule Of Available For Sale Securities [Line Items]
Fair Value (fixed maturities)	739,005	1,033,543
Non-US Government [Member] | eurozone [Member]
Schedule Of Available For Sale Securities [Line Items]
Fair Value (fixed maturities)	21,000	119,000
CMBS [Member]
Schedule Of Available For Sale Securities [Line Items]
Fair Value (fixed maturities)	$ 1,083,298	$ 1,096,888
CMBS [Member] | Weighted Average [Member]
Schedule Of Available For Sale Securities [Line Items]
Subordination percentage input for determining credit losses	32.00%	30.00%
Non-Agency RMBS [Member]
Schedule Of Available For Sale Securities [Line Items]
Fair Value (fixed maturities)	$ 101,008	$ 73,086
Non-Agency RMBS [Member] | Prime [Member]
Schedule Of Available For Sale Securities [Line Items]
Fair Value (fixed maturities)	82,000	49,000
Non-Agency RMBS [Member] | Alt A [Member]
Schedule Of Available For Sale Securities [Line Items]
Fair Value (fixed maturities)	$ 13,000	$ 17,000

X

- Definition

This item represents the current level of subordination of the entity's receipt of consideration should the assets underlying the security be liquidated when the level of subordination was considered as one of the potential factors in reaching a conclusion that the available-for-sale investments are other than temporarily impaired and the amount of such impairment determined to be related to credit loss recognized in earnings.

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=51813488&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26610-111562

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 320
-Section 50
-Paragraph 2
-Subparagraph (b)-(g)
-URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803

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