XML 140 R82.htm IDEA: XBRL DOCUMENT v2.4.1.9
Debt (Details) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Debt Instruments [Line Items]      
Interest paid $ 49,259,000us-gaap_InterestPaid $ 49,259,000us-gaap_InterestPaid $ 49,259,000us-gaap_InterestPaid
Senior Notes Debt [Member] | Notes Issued By Partner Re Finance B LLC [Member]      
Debt Instruments [Line Items]      
Debt instrument issuance date Mar. 10, 2010    
Face amount of debt instrument 500,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceBLlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		 500,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceBLlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		  
Percentage Of Indirect Ownership In Subsidiary 100.00%pre_PercentageOfIndirectOwnershipInSubsidiary
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceBLlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		    
Stated interest rate of debt instrument 5.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceBLlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		    
Maturity date Jun. 01, 2020    
Payment frequency semi-annually    
Date of first required interest payment Jun. 01, 2010    
Senior Notes Debt [Member] | Notes Issued To Partner Re Finance B LLC [Member]      
Debt Instruments [Line Items]      
Debt instrument issuance date Mar. 10, 2010    
Face amount of debt instrument 500,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceBLlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		    
Stated interest rate of debt instrument 5.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceBLlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		    
Maturity date Jun. 01, 2020    
Payment frequency semi-annually    
Date of first required interest payment Jun. 01, 2010    
Interest expense incurred (debt-related) 27,500,000us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceBLlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		 27,500,000us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceBLlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		 27,500,000us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceBLlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember
Interest paid 27,500,000us-gaap_InterestPaid
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceBLlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		 27,500,000us-gaap_InterestPaid
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceBLlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		 27,500,000us-gaap_InterestPaid
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceBLlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember
Senior Notes Debt [Member] | Notes Issued By Partner Re Finance A LLC [Member]      
Debt Instruments [Line Items]      
Debt instrument issuance date May 27, 2008    
Face amount of debt instrument 250,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceALlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		 250,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceALlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		  
Percentage Of Indirect Ownership In Subsidiary 100.00%pre_PercentageOfIndirectOwnershipInSubsidiary
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceALlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		    
Stated interest rate of debt instrument 6.875%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceALlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		    
Maturity date Jun. 01, 2018    
Payment frequency semi-annually    
Date of first required interest payment Dec. 01, 2008    
Senior Notes Debt [Member] | Notes Issued To Partner Re Finance A LLC [Member]      
Debt Instruments [Line Items]      
Debt instrument issuance date May 27, 2008    
Face amount of debt instrument 250,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceALlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		    
Stated interest rate of debt instrument 6.875%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceALlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		    
Maturity date Jun. 01, 2018    
Payment frequency semi-annually    
Date of first required interest payment Dec. 01, 2008    
Interest expense incurred (debt-related) 17,200,000us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceALlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		 17,200,000us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceALlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		 17,200,000us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceALlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember
Interest paid 17,200,000us-gaap_InterestPaid
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceALlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		 17,200,000us-gaap_InterestPaid
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceALlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember		 17,200,000us-gaap_InterestPaid
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceALlcMember
/ us-gaap_LongtermDebtTypeAxis
= pre_SeniorNotesDebtMember
Capital efficient notes [Member] | Notes Issued By Partner Re Finance II Inc [Member]      
Debt Instruments [Line Items]      
Debt instrument issuance date Nov. 07, 2006    
Face amount of debt instrument 63,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		 63,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		  
Percentage Of Indirect Ownership In Subsidiary 100.00%pre_PercentageOfIndirectOwnershipInSubsidiary
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		    
Carrying amount at balance sheet date 63,400,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		    
Amount of debt extinguished 186,600,000us-gaap_ExtinguishmentOfDebtAmount
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		    
Consideration Paid On Extinguishment Of Debt 93,300,000pre_ConsiderationPaidOnExtinguishmentOfDebt
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		    
Percentage of outstanding debt extinguished 75.00%pre_ExtinguishmentOfDebtPercent
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		    
Maturity date range start Dec. 01, 2016    
Maturity date range end Dec. 01, 2066    
Cash tender offer 500pre_CashTenderOfferPayment
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		    
Face value 1,000pre_FaceValueOfCashTenderOffer
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		    
Capital efficient notes [Member] | Notes Issued By Partner Re Finance II Inc [Member] | Original Debt Issuance Date [Member]      
Debt Instruments [Line Items]      
Face amount of debt instrument 250,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceIiIncMember
/ pre_DebtIssuanceDateAxis
= pre_OriginalDebtIssuanceDateMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		    
Capital efficient notes [Member] | Notes Issued By Partner Re Finance II Inc [Member] | June 1, 2007 - December 1, 2016 [Member]      
Debt Instruments [Line Items]      
Stated interest rate of debt instrument 6.44%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceIiIncMember
/ pre_InterestDateRangeAxis
= pre_June12007December12016Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		    
Payment frequency semi-annually    
Date of first required interest payment Jun. 01, 2007    
Capital efficient notes [Member] | Notes Issued By Partner Re Finance II Inc [Member] | December 1, 2016 - December 1, 2066 [Member]      
Debt Instruments [Line Items]      
Stated interest rate of debt instrument 6.44%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceIiIncMember
/ pre_InterestDateRangeAxis
= pre_December12016December12066Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		    
Payment frequency quarterly    
Date of first required interest payment Dec. 01, 2016    
Interest rate in excess of LIBOR 2.325%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedByPartnerReFinanceIiIncMember
/ pre_InterestDateRangeAxis
= pre_December12016December12066Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		    
Capital efficient notes [Member] | Notes Issued To Partner Re Finance II Inc [Member]      
Debt Instruments [Line Items]      
Debt instrument issuance date Nov. 07, 2006    
Face amount of debt instrument 257,600,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		    
Stated interest rate of debt instrument 6.44%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		    
Maturity date Dec. 01, 2066    
Interest expense incurred (debt-related) 4,600,000us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		 4,600,000us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		 4,600,000us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember
Interest paid 4,600,000us-gaap_InterestPaid
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		 4,600,000us-gaap_InterestPaid
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		 4,600,000us-gaap_InterestPaid
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember
Carrying amount at balance sheet date 71,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		    
Net realized gain on purchase of capital efficient notes 88,400,000us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		    
Amount of debt extinguished 186,600,000us-gaap_ExtinguishmentOfDebtAmount
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		    
Consideration Paid On Extinguishment Of Debt $ 93,300,000pre_ConsiderationPaidOnExtinguishmentOfDebt
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceIiIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		    
Capital efficient notes [Member] | Notes Issued To Partner Re Finance II Inc [Member] | June 1, 2007 - December 1, 2016 [Member]      
Debt Instruments [Line Items]      
Stated interest rate of debt instrument 6.44%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceIiIncMember
/ pre_InterestDateRangeAxis
= pre_June12007December12016Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember		    
Payment frequency semi-annually    
Date of first required interest payment Jun. 01, 2007    
Capital efficient notes [Member] | Notes Issued To Partner Re Finance II Inc [Member] | December 1, 2016 - December 1, 2066 [Member]      
Debt Instruments [Line Items]      
Payment frequency quarterly    
Date of first required interest payment Dec. 01, 2016    
Reference rate for variable rate interest payments 3-month LIBOR    
Interest rate in excess of LIBOR 2.325%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_DebtInstrumentAxis
= pre_NotesIssuedToPartnerReFinanceIiIncMember
/ pre_InterestDateRangeAxis
= pre_December12016December12066Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember