Consolidated Statements Of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Comprehensive (loss) income
Net (loss) income	$ (703,494)	$ 188,061	$ (356,870)	$ 538,798
Change in net unrealized gains on investments	300	284	(972)	513
Comprehensive (loss) income	(703,194)	188,345	(357,842)	539,311
Net loss (income) attributable to redeemable noncontrolling interests	204,277	(35,641)	132,338	(110,867)
Comprehensive loss (income) attributable to redeemable noncontrolling interests	204,277	(35,641)	132,338	(110,867)
Comprehensive (loss) income attributable to RenaissanceRe	$ (498,917)	$ 152,704	$ (225,504)	$ 428,444

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of income (loss) attributable to other redeemable noncontrolling equity holder.

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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