Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Comprehensive income
Net income	$ 630,048	$ 542,242	$ 686,256
Change in net unrealized gains on investments	(975)	(1,308)	(715)
Comprehensive income	629,073	540,934	685,541
Net income attributable to redeemable noncontrolling interests	(127,086)	(111,050)	(153,538)
Comprehensive income attributable to redeemable noncontrolling interests	(127,086)	(111,050)	(153,538)
Comprehensive income attributable to RenaissanceRe	501,987	429,884	532,003
Disclosure regarding net unrealized gains
Total net realized and unrealized holding gains (losses) on investments	403	(982)	(715)
Net realized gains on fixed maturity investments available for sale	(1,378)	(326)	0
Change in net unrealized gains on investments	$ (975)	$ (1,308)	$ (715)