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Noncontrolling Interests (Schedule Of Redeemable Noncontrolling Interest) (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Mar. 31, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Activity in redeemable noncontrolling interest
Beginning balance				$ 1,131,708
Net income attributable to redeemable noncontrolling interest	$ 12,167	$ 36,078		51,829	$ 78,846
Ending balance	988,812			988,812		$ 1,131,708
DaVinciRe Holdings Ltd.
Activity in redeemable noncontrolling interest
Beginning balance	867,734	895,391	$ 1,063,368	1,037,306	1,063,368	1,063,368
Redemption of shares from redeemable noncontrolling interest	(813)	(866)		(208,711)	(219,745)
Sale of shares to redeemable noncontrolling interests	0	0		0	9,722
Net income attributable to redeemable noncontrolling interest	12,345	35,706		50,671	76,886
Ending balance	879,266	930,231	895,391	879,266	930,231	1,037,306
Medici
Activity in redeemable noncontrolling interest
Beginning balance	100,697	91,590	36,492	94,402	36,492	36,492
Redemption of shares from redeemable noncontrolling interest	(2,423)	0		(17,107)	(1,875)	(3,100)
Net income attributable to redeemable noncontrolling interest	(178)	372		1,158	1,960
Ending balance	$ 109,546	$ 93,661	$ 91,590	$ 109,546	$ 93,661	$ 94,402

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Represents a sale (new stock issuance) by a subsidiary to noncontrolling interests (third parties, parties directly or indirectly unrelated to parent) during the period. The capital transaction by subsidiary does not result in a loss of control by the parent, but does effect a change in total (consolidated) equity attributable to the parent.

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Amount of Net Income (Loss) attributable to redeemable noncontrolling interest.

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