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INVESTMENTS (DETAILS 6) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net Investment Income [Line Items]
Gross investment income	$ 53,562	$ 75,856	$ 250,300	$ 291,679
Investment expenses	(7,877)	(9,294)	(23,964)	(27,508)
Net investment income	45,685	66,562	226,336	264,171
Fixed Maturities [Member]
Net Investment Income [Line Items]
Gross investment income	75,980	74,996	220,066	226,475
Other Investments [Member]
Net Investment Income [Line Items]
Gross investment income	(27,421)	(3,384)	17,616	45,868
Equity Securities [Member]
Net Investment Income [Line Items]
Gross investment income	3,445	2,022	7,795	9,609
Mortgage loans [Member]
Net Investment Income [Line Items]
Gross investment income	482	0	776	0
Cash And Cash Equivalents [Member]
Net Investment Income [Line Items]
Gross investment income	993	2,081	3,770	9,127
Short-term Investments [Member]
Net Investment Income [Line Items]
Gross investment income	$ 83	$ 141	$ 277	$ 600

X

- Definition

The net gain or loss (both realized and unrealized) related to investments in certain entities that calculate net asset value per share and the amount after accretion (amortization) of discount (premium), of interest income and dividend income on nonoperating securities.

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The net gain or loss (both realized and unrealized) related to investments in certain entities that calculate net asset value per share and the amount after accretion (amortization) of discount (premium) of interest income and dividend income on nonoperating securities, net of investment expense.

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Amount of expenses related to the generation of investment income.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 225



-SubTopic 10



-Section S99



-Paragraph 2



-Subparagraph (SX 210.5-03.9)



-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688



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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 944



-SubTopic 225



-Section S99



-Paragraph 1



-Subparagraph (SX 210.7-04.2)



-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

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