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INVESTMENTS (DETAILS 5) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net Investment Income [Line Items]
Gross investment income	$ 93,080	$ 116,327
Investment expenses	(10,336)	(7,419)
Net investment income	82,744	108,908
Fixed Maturities [Member]
Net Investment Income [Line Items]
Gross investment income	72,957	69,683
Other Investments [Member]
Net Investment Income [Line Items]
Gross investment income	16,760	43,431
Equity Securities [Member]
Net Investment Income [Line Items]
Gross investment income	2,286	1,414
Cash And Cash Equivalents [Member]
Net Investment Income [Line Items]
Gross investment income	863	1,267
Short-term Investments [Member]
Net Investment Income [Line Items]
Gross investment income	$ 214	$ 532

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.

+ References

No definition available.

+ Details

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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, net of investment expense.

+ References

No definition available.

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X

- 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 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.2)

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



Reference 2: 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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