Noncontrolling Interests (Schedule Of Redeemable Noncontrolling Interest) (Details) (USD $)
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12 Months Ended |
1 Months Ended |
7 Months Ended |
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Feb. 28, 2014
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Jan. 31, 2014
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Jan. 31, 2013
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Dec. 31, 2013
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Jul. 01, 2014
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Jun. 30, 2014
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Jan. 01, 2014
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Jan. 02, 2013
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Sep. 30, 2013
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Activity in redeemable noncontrolling interest |
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Balance, Beginning |
$ 1,099,860,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount |
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Comprehensive income: |
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Net income attributable to redeemable noncontrolling interest |
153,538,000us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest |
151,144,000us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest |
148,040,000us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest |
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Balance, Ending |
1,131,708,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount |
1,099,860,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount |
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1,099,860,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount |
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DaVinciRe |
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Redeemable Noncontrolling Interest [Line Items] |
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Redeemable noncontrolling interest, ownership percentage |
23.40%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_DavincireMember |
27.30%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_DavincireMember |
30.80%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_DavincireMember |
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27.30%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_DavincireMember |
23.40%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_DavincireMember |
26.50%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_DavincireMember |
26.50%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_DavincireMember |
32.90%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_DavincireMember |
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Redeemable Noncontrolling Interest Decrease from Redemptions or Purchase of Interests Reserve Holdback Payments |
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30,000,000rnr_RedeemableNoncontrollingInterestDecreasefromRedemptionsorPurchaseofInterestsReserveHoldbackPayments / dei_LegalEntityAxis = rnr_DavincireMember |
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Activity in redeemable noncontrolling interest |
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Balance, Beginning |
1,063,368,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / dei_LegalEntityAxis = rnr_DavincireMember |
968,259,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / dei_LegalEntityAxis = rnr_DavincireMember |
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968,259,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / dei_LegalEntityAxis = rnr_DavincireMember |
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Redemption of shares from redeemable noncontrolling interests |
(224,455,000)us-gaap_MinorityInterestDecreaseFromRedemptions / dei_LegalEntityAxis = rnr_DavincireMember |
(209,356,000)us-gaap_MinorityInterestDecreaseFromRedemptions / dei_LegalEntityAxis = rnr_DavincireMember |
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Sale of shares to redeemable noncontrolling interest |
48,576,000us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesIssuanceOfEquityBySubsidiaryToNoncontrollingInterests / dei_LegalEntityAxis = rnr_DavincireMember |
153,884,000us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesIssuanceOfEquityBySubsidiaryToNoncontrollingInterests / dei_LegalEntityAxis = rnr_DavincireMember |
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Comprehensive income: |
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Net income attributable to redeemable noncontrolling interest |
149,817,000us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest / dei_LegalEntityAxis = rnr_DavincireMember |
150,581,000us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest / dei_LegalEntityAxis = rnr_DavincireMember |
147,499,000us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest / dei_LegalEntityAxis = rnr_DavincireMember |
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Balance, Ending |
1,037,306,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / dei_LegalEntityAxis = rnr_DavincireMember |
1,063,368,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / dei_LegalEntityAxis = rnr_DavincireMember |
968,259,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / dei_LegalEntityAxis = rnr_DavincireMember |
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1,063,368,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / dei_LegalEntityAxis = rnr_DavincireMember |
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DaVinciRe | Redeemable Noncontrolling Interest |
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Redeemable Noncontrolling Interest [Line Items] |
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Redemption rights for repurchase of initial aggregate shares held, maximum |
50.00%rnr_RedeemableNoncontrollingInterestRedemptionRequirementPercentageOfAggregateSharesHeldMaximum / dei_LegalEntityAxis = rnr_DavincireMember / us-gaap_StatementEquityComponentsAxis = rnr_RedeemableNoncontrollingInterestMember |
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Redeemable noncontrolling interest, net redemptions |
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300,000,000us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesNet / dei_LegalEntityAxis = rnr_DavincireMember / us-gaap_StatementEquityComponentsAxis = rnr_RedeemableNoncontrollingInterestMember |
150,000,000us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesNet / dei_LegalEntityAxis = rnr_DavincireMember / us-gaap_StatementEquityComponentsAxis = rnr_RedeemableNoncontrollingInterestMember |
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Redeemable noncontrolling interest, Reserve holdback |
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60,000,000rnr_RedeemableNoncontrollingInterestDecreaseFromRedemptionsOrPurchaseOfInterestsReserveHoldback / dei_LegalEntityAxis = rnr_DavincireMember / us-gaap_StatementEquityComponentsAxis = rnr_RedeemableNoncontrollingInterestMember |
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20,500,000rnr_RedeemableNoncontrollingInterestDecreaseFromRedemptionsOrPurchaseOfInterestsReserveHoldback / dei_LegalEntityAxis = rnr_DavincireMember / us-gaap_StatementEquityComponentsAxis = rnr_RedeemableNoncontrollingInterestMember |
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Proceeds from sale of partial interest in consolidated subsidiary |
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38,900,000rnr_ProceedsFromDivestitureOfPartialInterestInConsolidatedSubsidiaries / dei_LegalEntityAxis = rnr_DavincireMember / us-gaap_StatementEquityComponentsAxis = rnr_RedeemableNoncontrollingInterestMember |
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77,400,000rnr_ProceedsFromDivestitureOfPartialInterestInConsolidatedSubsidiaries / dei_LegalEntityAxis = rnr_DavincireMember / us-gaap_StatementEquityComponentsAxis = rnr_RedeemableNoncontrollingInterestMember |
DaVinciRe | Redeemable Noncontrolling Interest | Maximum |
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Redeemable Noncontrolling Interest [Line Items] |
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Share repurchase requests, limit |
25.00%rnr_MinorityInterestAggregateShareRepurchaseRequestLimitAsPercentOfCapital / dei_LegalEntityAxis = rnr_DavincireMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementEquityComponentsAxis = rnr_RedeemableNoncontrollingInterestMember |
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Medici |
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Redeemable Noncontrolling Interest [Line Items] |
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Redeemable noncontrolling interest, ownership percentage |
53.20%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_MediciMember |
73.90%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_MediciMember |
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73.90%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_MediciMember |
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Noncontrolling interest, value subscribed |
57,300,000us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance / dei_LegalEntityAxis = rnr_MediciMember |
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37,200,000us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance / dei_LegalEntityAxis = rnr_MediciMember |
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Activity in redeemable noncontrolling interest |
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Balance, Beginning |
36,492,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / dei_LegalEntityAxis = rnr_MediciMember |
0us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / dei_LegalEntityAxis = rnr_MediciMember |
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0us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / dei_LegalEntityAxis = rnr_MediciMember |
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Redemption of shares from redeemable noncontrolling interests |
(3,075,000)us-gaap_MinorityInterestDecreaseFromRedemptions / dei_LegalEntityAxis = rnr_MediciMember |
(1,325,000)us-gaap_MinorityInterestDecreaseFromRedemptions / dei_LegalEntityAxis = rnr_MediciMember |
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(1,300,000)us-gaap_MinorityInterestDecreaseFromRedemptions / dei_LegalEntityAxis = rnr_MediciMember |
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Sale of shares to redeemable noncontrolling interest |
57,264,000us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesIssuanceOfEquityBySubsidiaryToNoncontrollingInterests / dei_LegalEntityAxis = rnr_MediciMember |
37,200,000us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesIssuanceOfEquityBySubsidiaryToNoncontrollingInterests / dei_LegalEntityAxis = rnr_MediciMember |
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Comprehensive income: |
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Net income attributable to redeemable noncontrolling interest |
3,721,000us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest / dei_LegalEntityAxis = rnr_MediciMember |
617,000us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest / dei_LegalEntityAxis = rnr_MediciMember |
0us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest / dei_LegalEntityAxis = rnr_MediciMember |
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Balance, Ending |
94,402,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / dei_LegalEntityAxis = rnr_MediciMember |
36,492,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / dei_LegalEntityAxis = rnr_MediciMember |
0us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / dei_LegalEntityAxis = rnr_MediciMember |
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36,492,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / dei_LegalEntityAxis = rnr_MediciMember |
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Angus Fund |
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Activity in redeemable noncontrolling interest |
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Balance, Beginning |
0us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / dei_LegalEntityAxis = rnr_AngusFundMember |
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Comprehensive income: |
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Net income attributable to redeemable noncontrolling interest |
0us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest / dei_LegalEntityAxis = rnr_AngusFundMember |
(54,000)us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest / dei_LegalEntityAxis = rnr_AngusFundMember |
541,000us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest / dei_LegalEntityAxis = rnr_AngusFundMember |
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Balance, Ending |
$ 0us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / dei_LegalEntityAxis = rnr_AngusFundMember |
$ 0us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / dei_LegalEntityAxis = rnr_AngusFundMember |
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$ 0us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / dei_LegalEntityAxis = rnr_AngusFundMember |
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