INVESTMENTS (DETAILS 6) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net Investment Income [Line Items]
Gross investment income	$ 96,858	$ 122,745	$ 196,738	$ 215,824
Investment expenses	(8,314)	(7,878)	(16,087)	(18,214)
Net investment income	88,544	114,867	180,651	197,610
Fixed Maturities [Member]
Net Investment Income [Line Items]
Gross investment income	77,998	78,523	144,086	151,480
Other Investments [Member]
Net Investment Income [Line Items]
Gross investment income	14,102	32,492	45,037	49,252
Equity Securities [Member]
Net Investment Income [Line Items]
Gross investment income	2,674	5,301	4,350	7,587
Mortgage loans [Member]
Net Investment Income [Line Items]
Gross investment income	281	0	294	0
Cash And Cash Equivalents [Member]
Net Investment Income [Line Items]
Gross investment income	1,678	6,183	2,777	7,046
Short-term Investments [Member]
Net Investment Income [Line Items]
Gross investment income	$ 125	$ 246	$ 194	$ 459

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.

+ References

No definition available.

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- Definition

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

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-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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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