INVESTMENTS (DETAILS 6) (USD $) In Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Net Investment Income [Line Items]
Gross investment income	$ 55,053	$ 117,416	$ 279,356	$ 314,658
Investment expenses	(5,657)	(5,616)	(19,288)	(15,654)
Net investment income	49,396	111,800	260,068	299,004
Fixed Maturities [Member]
Net Investment Income [Line Items]
Gross investment income	81,900	89,580	259,683	267,471
Equities [Member]
Net Investment Income [Line Items]
Gross investment income	2,079	917	6,977	2,837
Other Investments [Member]
Net Investment Income [Line Items]
Gross investment income	(30,376)	25,094	6,732	39,374
Cash And Cash Equivalents [Member]
Net Investment Income [Line Items]
Gross investment income	1,148	1,517	4,803	4,241
Short-term Investments [Member]
Net Investment Income [Line Items]
Gross investment income	$ 302	$ 308	$ 1,161	$ 735

This item represents the net gain or loss, both realized and unrealized, on other investments, as well as the total of all interest and dividend income on available-for-sale debt and equity securities (including any amortization/accretion of discounts/premiums) and interest income earned on cash and cash equivalents.

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Total expenses related to the generation of investment income in debt and equity securities.

+ 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=6880815&loc=d3e20235-122688

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