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Organization (Details) | 12 Months Ended
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Dec. 31, 2018
RenaissanceRe Upsilon Fund Ltd | Not Primary Beneficiary |
Variable Interest Entity [Line Items] |
Percent of segregated funds owned by third party investors | 100.00%

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- Definition Variable Interest Entity, Nonredeemable, Nonvoting Shares, Segregated Funds, Owned by Third Parties + References No definition available. + Details
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- Details
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- Details
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