XML 13 R54.htm IDEA: XBRL DOCUMENT
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Fair Value Measurements (Narrative) (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt | $ 826,774,000 us-gaap_LongTermDebt |  | 249,522,000 us-gaap_LongTermDebt
Other assets and (liabilities) | 78,822,000 rnr_OtherAssetsAndliabilitiesMeasuredonRecurringBasis |  | (13,908,000)rnr_OtherAssetsAndliabilitiesMeasuredonRecurringBasis
Net unrealized gains (losses) recognized in earnings | 4,885,000 us-gaap_UnrealizedGainLossOnInvestments | 4,980,000 us-gaap_UnrealizedGainLossOnInvestments |
Other Investments | Net investment income |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Net unrealized gains (losses) recognized in earnings | 4,900,000 us-gaap_UnrealizedGainLossOnInvestments / us-gaap_EligibleItemOrGroupForFairValueOptionAxis = us-gaap_OtherInvestmentsMember / us-gaap_IncomeStatementLocationAxis = us-gaap_InvestmentIncomeMember | 5,000,000 us-gaap_UnrealizedGainLossOnInvestments / us-gaap_EligibleItemOrGroupForFairValueOptionAxis = us-gaap_OtherInvestmentsMember / us-gaap_IncomeStatementLocationAxis = us-gaap_InvestmentIncomeMember |
Other Assets and Liabilities | Other income (loss) |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Net unrealized gains (losses) recognized in earnings | 0 us-gaap_UnrealizedGainLossOnInvestments / us-gaap_EligibleItemOrGroupForFairValueOptionAxis = rnr_OtherAssetsAndLiabilitiesMember / us-gaap_IncomeStatementLocationAxis = rnr_OtherOperatingIncomeExpenseNetMember | 0 us-gaap_UnrealizedGainLossOnInvestments / us-gaap_EligibleItemOrGroupForFairValueOptionAxis = rnr_OtherAssetsAndLiabilitiesMember / us-gaap_IncomeStatementLocationAxis = rnr_OtherOperatingIncomeExpenseNetMember |
RenRe North America Holdings Inc. |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Senior notes, fair value | 863,566,000 us-gaap_LongTermDebtFairValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |  | 279,000,000 us-gaap_LongTermDebtFairValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
5.75% Senior Notes Due March 15, 2020 | RenRe North America Holdings Inc. |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Debt | 249,545,000 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = rnr_A5.75SeniorNotesDueMarch152020Member / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |  | 249,522,000 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = rnr_A5.75SeniorNotesDueMarch152020Member / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Senior notes, fair value | 285,000,000 us-gaap_LongTermDebtFairValue / us-gaap_DebtInstrumentAxis = rnr_A5.75SeniorNotesDueMarch152020Member / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |  | 279,000,000 us-gaap_LongTermDebtFairValue / us-gaap_DebtInstrumentAxis = rnr_A5.75SeniorNotesDueMarch152020Member / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Quoted Prices In Active Markets For Identical Assets (Level 1) |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Other assets and (liabilities) | (492,000)rnr_OtherAssetsAndliabilitiesMeasuredonRecurringBasis / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member |  | (569,000)rnr_OtherAssetsAndliabilitiesMeasuredonRecurringBasis / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
Significant Other Observable Inputs (Level 2) |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Other assets and (liabilities) | 6,345,000 rnr_OtherAssetsAndliabilitiesMeasuredonRecurringBasis / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member |  | (4,405,000)rnr_OtherAssetsAndliabilitiesMeasuredonRecurringBasis / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Significant Unobservable Inputs (Level 3) |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Assets, fair value | 381,569,000 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member |  |
Other assets and (liabilities) | 72,969,000 rnr_OtherAssetsAndliabilitiesMeasuredonRecurringBasis / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member |  | (8,934,000)rnr_OtherAssetsAndliabilitiesMeasuredonRecurringBasis / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Significant Unobservable Inputs (Level 3) | Corporate | Discounted Cash Flow Valuation Technique |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Assets, fair value | 15,474,000 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = us-gaap_CorporateDebtSecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_ValuationTechniqueAxis = rnr_DiscountedCashFlowValuationTechniqueMember |  |
Significant Unobservable Inputs (Level 3) | Corporate | Weighted Average or Actual | Discounted Cash Flow Valuation Technique |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Credit spread | 1.20%us-gaap_FairValueInputsEntityCreditRisk / us-gaap_FairValueByAssetClassAxis = us-gaap_CorporateDebtSecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_RangeAxis = rnr_WeightedAverageOrActualMember / us-gaap_ValuationTechniqueAxis = rnr_DiscountedCashFlowValuationTechniqueMember |  |
Liquidity discount | 1.00%us-gaap_FairValueInputsDiscountForLackOfMarketability / us-gaap_FairValueByAssetClassAxis = us-gaap_CorporateDebtSecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_RangeAxis = rnr_WeightedAverageOrActualMember / us-gaap_ValuationTechniqueAxis = rnr_DiscountedCashFlowValuationTechniqueMember |  |
Risk-free rate | 0.20%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByAssetClassAxis = us-gaap_CorporateDebtSecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_RangeAxis = rnr_WeightedAverageOrActualMember / us-gaap_ValuationTechniqueAxis = rnr_DiscountedCashFlowValuationTechniqueMember |  |
Dividend rate | 6.50%us-gaap_FairValueAssumptionsExpectedDividendRate / us-gaap_FairValueByAssetClassAxis = us-gaap_CorporateDebtSecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_RangeAxis = rnr_WeightedAverageOrActualMember / us-gaap_ValuationTechniqueAxis = rnr_DiscountedCashFlowValuationTechniqueMember |  |
Significant Unobservable Inputs (Level 3) | Private equity partnerships | Net Asset Valuation Technique |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Assets, fair value | 271,074,000 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = us-gaap_PrivateEquityFundsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_ValuationTechniqueAxis = rnr_NetAssetValuationTechniqueMember |  |
Significant Unobservable Inputs (Level 3) | Senior secured bank loan funds | Net Asset Valuation Technique |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Assets, fair value | 19,679,000 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = rnr_SeniorSecuredBankLoanFundsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_ValuationTechniqueAxis = rnr_NetAssetValuationTechniqueMember |  |
Significant Unobservable Inputs (Level 3) | Senior secured bank loan funds | Weighted Average or Actual | Net Asset Valuation Technique |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Estimated performance | 0.70%rnr_FairValueInputsEstimatedPerformance / us-gaap_FairValueByAssetClassAxis = rnr_SeniorSecuredBankLoanFundsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_RangeAxis = rnr_WeightedAverageOrActualMember / us-gaap_ValuationTechniqueAxis = rnr_NetAssetValuationTechniqueMember |  |
Significant Unobservable Inputs (Level 3) | Hedge funds | Net Asset Valuation Technique |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Assets, fair value | 2,373,000 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = us-gaap_HedgeFundsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_ValuationTechniqueAxis = rnr_NetAssetValuationTechniqueMember |  |
Significant Unobservable Inputs (Level 3) | Hedge funds | Minimum | Net Asset Valuation Technique |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Estimated performance | 0.00%rnr_FairValueInputsEstimatedPerformance / us-gaap_FairValueByAssetClassAxis = us-gaap_HedgeFundsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = rnr_NetAssetValuationTechniqueMember |  |
Significant Unobservable Inputs (Level 3) | Hedge funds | Maximum | Net Asset Valuation Technique |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Estimated performance | 0.00%rnr_FairValueInputsEstimatedPerformance / us-gaap_FairValueByAssetClassAxis = us-gaap_HedgeFundsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = rnr_NetAssetValuationTechniqueMember |  |
Significant Unobservable Inputs (Level 3) | Hedge funds | Weighted Average or Actual | Net Asset Valuation Technique |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Estimated performance | 0.00%rnr_FairValueInputsEstimatedPerformance / us-gaap_FairValueByAssetClassAxis = us-gaap_HedgeFundsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_RangeAxis = rnr_WeightedAverageOrActualMember / us-gaap_ValuationTechniqueAxis = rnr_NetAssetValuationTechniqueMember |  |
Significant Unobservable Inputs (Level 3) | Reinsurance deposit asset | Internal Valuation Model Valuation Technique |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Assets, fair value | 82,298,000 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = rnr_AssumedandCededReInsuranceContractsGroupOneMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_ValuationTechniqueAxis = rnr_InternalValuationModelValuationTechniqueMember |  |
Significant Unobservable Inputs (Level 3) | Assumed reinsurance contract | Internal Valuation Model Valuation Technique |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Liabilities, fair value | (1,116,000)us-gaap_LiabilitiesFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = rnr_AssumedandCededReInsuranceContractsGroupTwoMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_ValuationTechniqueAxis = rnr_InternalValuationModelValuationTechniqueMember |  |
Significant Unobservable Inputs (Level 3) | Assumed and ceded reinsurance contract | Internal Valuation Model Valuation Technique |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Liabilities, fair value | (8,189,000)us-gaap_LiabilitiesFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = rnr_AssumedandCededReInsuranceContractsGroupThreeMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_ValuationTechniqueAxis = rnr_InternalValuationModelValuationTechniqueMember |  |
Significant Unobservable Inputs (Level 3) | Weather Contract | Internal Valuation Model Valuation Technique |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Liabilities, fair value | (24,000)us-gaap_LiabilitiesFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = rnr_WeatherContractMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_ValuationTechniqueAxis = rnr_InternalValuationModelValuationTechniqueMember |  |
U.S. treasuries |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Weighted average effective yield | 0.80%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = us-gaap_USTreasurySecuritiesMember |  | 1.00%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = us-gaap_USTreasurySecuritiesMember
Agencies |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Weighted average effective yield | 1.60%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = us-gaap_AgencySecuritiesMember |  | 1.20%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = us-gaap_AgencySecuritiesMember
Municipals |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Weighted average effective yield | 2.40%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |  |
Non-U.S. government (Sovereign Debt) |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Weighted average effective yield | 1.00%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = us-gaap_ForeignGovernmentDebtSecuritiesMember |  | 1.10%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = us-gaap_ForeignGovernmentDebtSecuritiesMember
Non-U.S. government-backed corporate |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Weighted average effective yield | 0.90%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = rnr_NonUSGovernmentBackedCorporateDebtSecuritiesMember |  | 1.10%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = rnr_NonUSGovernmentBackedCorporateDebtSecuritiesMember
Corporate |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Weighted average effective yield | 3.00%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = us-gaap_CorporateDebtSecuritiesMember |  | 3.20%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = us-gaap_CorporateDebtSecuritiesMember
Agency mortgage-backed |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Weighted average effective yield | 1.70%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember |  | 2.30%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
Weighted average life | 5 years 4 months 24 days |  | 5 years 7 months 6 days
Non-agency prime residential mortgage-backed |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Weighted average effective yield | 3.40%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = rnr_NonAgencyPrimeResidentialMortgageBackedSecuritiesMember |  | 3.40%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = rnr_NonAgencyPrimeResidentialMortgageBackedSecuritiesMember
Weighted average life | 4 years |  | 4 years 1 month 6 days
AltA non-agency mortgage-backed |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Weighted average effective yield | 4.00%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = rnr_AltaNonAgencyMortgageBackedSecuritiesMember |  | 4.30%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = rnr_AltaNonAgencyMortgageBackedSecuritiesMember
Weighted average life | 5 years 0 months 0 days |  | 5 years
Commercial mortgage-backed |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Weighted average effective yield | 1.90%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = us-gaap_CommercialMortgageBackedSecuritiesMember |  | 2.10%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = us-gaap_CommercialMortgageBackedSecuritiesMember
Weighted average life | 3 years 1 month |  | 3 years 6 months 0 days
Asset-backed |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Weighted average effective yield | 1.30%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = us-gaap_AssetBackedSecuritiesMember |  | 1.50%rnr_WeightedAverageEffectiveYield / us-gaap_InvestmentTypeAxis = us-gaap_AssetBackedSecuritiesMember
Weighted average life | 2 years 7 months 6 days |  | 2 years 6 months
Restricted stock units (RSUs) | Significant Other Observable Inputs (Level 2) |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Other assets and (liabilities) | (1,500,000)rnr_OtherAssetsAndliabilitiesMeasuredonRecurringBasis / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_InvestmentTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |  |
Senior secured bank loan funds |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Investment in closed end fund | 19,700,000 rnr_InvestmentInClosedEndFund / us-gaap_InvestmentTypeAxis = rnr_SeniorSecuredBankLoanFundsMember |  |
Senior secured bank loan funds | Minimum |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Liquidation period for fund assets | 4 years |  |
Senior secured bank loan funds | Maximum |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Liquidation period for fund assets | 5 years |  |
Private equity partnerships | Minimum |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Liquidation period for fund assets | 7 years |  |
Private equity partnerships | Maximum |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Liquidation period for fund assets | 10 years |  |
Private equity partnerships | Significant Unobservable Inputs (Level 3) | Net Asset Valuation Technique |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Assets, fair value | 271,074,000 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_InvestmentTypeAxis = us-gaap_PrivateEquityFundsMember / us-gaap_ValuationTechniqueAxis = rnr_NetAssetValuationTechniqueMember |  |
Private equity partnerships | Significant Unobservable Inputs (Level 3) | Minimum | Net Asset Valuation Technique |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Estimated performance | (12.60%)rnr_FairValueInputsEstimatedPerformance / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_InvestmentTypeAxis = us-gaap_PrivateEquityFundsMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = rnr_NetAssetValuationTechniqueMember |  |
Private equity partnerships | Significant Unobservable Inputs (Level 3) | Maximum | Net Asset Valuation Technique |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Estimated performance | 23.00%rnr_FairValueInputsEstimatedPerformance / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_InvestmentTypeAxis = us-gaap_PrivateEquityFundsMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = rnr_NetAssetValuationTechniqueMember |  |
Private equity partnerships | Significant Unobservable Inputs (Level 3) | Weighted Average or Actual | Net Asset Valuation Technique |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Estimated performance | 4.70%rnr_FairValueInputsEstimatedPerformance / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_InvestmentTypeAxis = us-gaap_PrivateEquityFundsMember / us-gaap_RangeAxis = rnr_WeightedAverageOrActualMember / us-gaap_ValuationTechniqueAxis = rnr_NetAssetValuationTechniqueMember |  |
Hedge funds |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Hedge fund side pocket investments | $ 2,400,000 rnr_NonredeemableSidePocketInvestments / us-gaap_InvestmentTypeAxis = us-gaap_HedgeFundsMember |  |

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- Definition This item represents senior secured bank loan funds in a closed end fund, which the Company has no right to redeem. + References No definition available. + Details
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- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
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- Definition Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Risk-free interest rate assumption used in valuing an instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Adjustment to the discount rate used to measure fair value for lack of ability to convert business interests into cash quickly. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Risk associated with risk of default, credit spread risk and downgrade risk, expressed as a percentage, used as an input to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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