INVESTMENTS (DETAILS 8) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Credit Losses For Which a Portion of OTTI Was Recognized in AOCI [Roll Forward]
Balance at beginning of period	$ 2,047	$ 9,375	$ 2,061	$ 57,498
Credit impairments recognized on securities not previously impaired	0	0	0	0
Additional credit impairments recognized on securities previously impaired	0	0	0	0
Change in timing of future cash flows on securities previously impaired	0	0	0	(101)
Intent to sell of securities previously impaired	0	0	0	0
Securities sold/redeemed/matured	(98)	(7,481)	(112)	(55,503)
Balance at end of period	$ 1,949	$ 1,894	$ 1,949	$ 1,894