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NONCONTROLLING INTERESTS (DETAILS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Noncontrolling Interest [Line Items]
Assets	$ 20,704,875		$ 20,704,875		$ 19,955,736
Liabilities	14,756,317		14,756,317		14,075,796
Change in Noncontrolling Interest [Roll Forward]
Balance at beginning of period			58,819	$ 50,000
Amounts attributable to noncontrolling interests	0	$ 1,573	0	2,795
Adjustment due to the adoption of revised accounting guidance effective January 1, 2015			(58,819)	0
Balance at end of period	$ 0	$ 52,795	$ 0	$ 52,795
Ventures Re [Member]
Noncontrolling Interest [Line Items]
Assets					97,000
Liabilities					$ 38,000

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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