Acquisition of Platinum (Supplemental ProForma Information) (Details) - Platinum Underwriters Holdings, Ltd. $ in Thousands	12 Months Ended
Dec. 31, 2015 USD ($)
Business Acquisition [Line Items]
Total revenues	$ 1,593,735
Net income available to RenaissanceRe common shareholders	$ 423,768

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No definition available.

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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