Consolidated Statements Of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenues
Gross premiums written	$ 759,128	$ 661,997	$ 1,621,261	$ 1,305,575
Net premiums written	519,916	508,677	1,031,591	912,712
Increase in unearned premiums	(168,514)	(128,849)	(326,583)	(236,124)
Net premiums earned	351,402	379,828	705,008	676,588
Net investment income	54,124	38,604	82,987	78,311
Net foreign exchange losses	(690)	(1,740)	(2,382)	(4,870)
Equity in earnings of other ventures	6,022	6,160	7,633	11,455
Other income	2,654	1,427	6,733	2,966
Net realized and unrealized gains (losses) on investments	69,772	(26,712)	131,425	15,037
Total revenues	483,284	397,567	931,404	779,487
Expenses
Net claims and claim expenses incurred	167,750	169,344	294,355	246,197
Acquisition expenses	69,005	61,666	134,597	105,067
Operational expenses	51,073	54,673	107,308	100,294
Corporate expenses	5,752	12,868	13,977	58,401
Interest expense	10,536	9,862	21,074	15,178
Total expenses	304,116	308,413	571,311	525,137
Income before taxes	179,168	89,154	360,093	254,350
Income tax (expense) benefit	(6,612)	1,842	(9,356)	49,746
Net income	172,556	90,996	350,737	304,096
Net income attributable to redeemable noncontrolling interests	(30,635)	(12,167)	(75,226)	(51,829)
Net income attributable to RenaissanceRe	141,921	78,829	275,511	252,267
Dividends on preference shares	(5,596)	(5,596)	(11,191)	(11,191)
Net income available to RenaissanceRe common shareholders	$ 136,325	$ 73,233	$ 264,320	$ 241,076
Net income available to RenaissanceRe common shareholders per common share – basic (in usd per share)	$ 3.23	$ 1.60	$ 6.20	$ 5.61
Net income available to RenaissanceRe common shareholders per common share – diluted (in usd per share)	3.22	1.59	6.16	5.56
Dividends per common share (in usd per share)	$ 0.31	$ 0.30	$ 0.62	$ 0.6