INVESTMENTS (DETAILS 9) (USD $) In Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Credit Losses For Which a Portion of OTTI Was Recognized in AOCI [Roll Forward]
Balance at beginning of period	$ 1,894	$ 146,963	$ 57,498	$ 162,390
Credit impairments recognized on securities not previously impaired	448	167	448	1,355
Additional credit impairments recognized on securities previously impaired	0	1,396	(96)	2,173
Change in timing of future cash flows on securities previously impaired	0	(141)	(5)	(116)
Intent to sell of securities previously impaired	0	(764)	0	(829)
Securities sold/redeemed/matured	(30)	(44,682)	(55,533)	(62,034)
Balance at end of period	$ 2,312	$ 102,939	$ 2,312	$ 102,939

This item represents reductions (increases) in the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held due to a change in the expected timing of cash flows to be collected over the remaining life of the security.

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This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which a previous OTTI was recognized and the investor does not intend to sell the debt security and it is not more likely than not that the investor will be required to sell the debt security before recovery of its amortized cost basis.

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This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which no such other than temporary impairment (OTTI) was previously recognized.

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The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity).

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This item represents reductions in the amount of cumulative losses recognized in earnings for other than temporary impairments (OTTI) for which a portion of the impairment had been recognized in other comprehensive income (a component of shareholders' equity) due to a change in status of the impaired security because of a change in the entity's intent to either sell the impaired security or it has become more likely than not that the entity will be required to sell the security before recovery of its cost basis.

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This item represents reductions in the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security because of the sale of impaired securities during the period.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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