| Type | including |
|---|---|
| Role | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceCededCreditRiskTable |
| Type | Element |
|---|---|
| Hypercube | us-gaap:CededCreditRiskTable |
| Explicit | us-gaap:CededCreditRiskAxis |
| Member | us-gaap:CededCreditRiskReinsurerDomain |
| Explicit | us-gaap:CededCreditRiskCollateralizationAxis |
| Member | us-gaap:CededCreditRiskCollateralizationDomain |
| Member | us-gaap:CededCreditRiskSecuredMember |
| Member | us-gaap:CededCreditRiskUnsecuredMember |
| Explicit | srt:CreditRatingMoodysAxis |
| Member | srt:ExternalCreditRatingMoodysMember |
| Member | srt:MoodysAaaRatingMember |
| Member | srt:MoodysAa1RatingMember |
| Member | srt:MoodysAa2RatingMember |
| Member | srt:MoodysAa3RatingMember |
| Member | srt:MoodysA1RatingMember |
| Member | srt:MoodysA2RatingMember |
| Member | srt:MoodysA3RatingMember |
| Member | srt:MoodysBaa1RatingMember |
| Member | srt:MoodysBaa2RatingMember |
| Member | srt:MoodysBaa3RatingMember |
| Member | srt:MoodysBa1RatingMember |
| Member | srt:MoodysBa2RatingMember |
| Member | srt:MoodysBa3RatingMember |
| Member | srt:MoodysB1RatingMember |
| Member | srt:MoodysB2RatingMember |
| Member | srt:MoodysB3RatingMember |
| Member | srt:MoodysCaa1RatingMember |
| Member | srt:MoodysCaa2RatingMember |
| Member | srt:MoodysCaa3RatingMember |
| Member | srt:MoodysCaRatingMember |
| Member | srt:MoodysCRatingMember |
| Explicit | srt:CreditRatingStandardPoorsAxis |
| Member | srt:ExternalCreditRatingStandardPoorsMember |
| Member | srt:StandardPoorsAAARatingMember |
| Member | srt:StandardPoorsAAPlusRatingMember |
| Member | srt:StandardPoorsAARatingMember |
| Member | srt:StandardPoorsAAMinusRatingMember |
| Member | srt:StandardPoorsAPlusRatingMember |
| Member | srt:StandardPoorsARatingMember |
| Member | srt:StandardPoorsAMinusRatingMember |
| Member | srt:StandardPoorsBBBPlusRatingMember |
| Member | srt:StandardPoorsBBBRatingMember |
| Member | srt:StandardPoorsBBBMinusRatingMember |
| Member | srt:StandardPoorsBBPlusRatingMember |
| Member | srt:StandardPoorsBBRatingMember |
| Member | srt:StandardPoorsBBMinusRatingMember |
| Member | srt:StandardPoorsBPlusRatingMember |
| Member | srt:StandardPoorsBRatingMember |
| Member | srt:StandardPoorsBMinusRatingMember |
| Member | srt:StandardPoorsCCCPlusRatingMember |
| Member | srt:StandardPoorsCCCRatingMember |
| Member | srt:StandardPoorsCCCMinusRatingMember |
| Member | srt:StandardPoorsCCRatingMember |
| Member | srt:StandardPoorsCRatingMember |
| Member | srt:StandardPoorsDRatingMember |
| Explicit | srt:CreditRatingAMBestAxis |
| Member | srt:CreditRatingAMBestDomain |
| Member | srt:AMBestAPlusPlusRatingMember |
| Member | srt:AMBestAPlusRatingMember |
| Member | srt:AMBestARatingMember |
| Member | srt:AMBestAMinusRatingMember |
| Member | srt:AMBestBPlusPlusRatingMember |
| Member | srt:AMBestBPlusRatingMember |
| Member | srt:AMBestBRatingMember |
| Member | srt:AMBestBMinusRatingMember |
| Member | srt:AMBestCPlusPlusRatingMember |
| Member | srt:AMBestCPlusRatingMember |
| Member | srt:AMBestCRatingMember |
| Member | srt:AMBestCMinusRatingMember |
| Member | srt:AMBestDRatingMember |
| Member | srt:AMBestERatingMember |
| Member | srt:AMBestFRatingMember |
| Member | srt:AMBestSRatingMember |
| Explicit | us-gaap:ConcentrationRiskByBenchmarkAxis |
| Member | us-gaap:ConcentrationRiskBenchmarkDomain |
| Member | us-gaap:ReinsuranceRecoverableMember |
| Member | us-gaap:ReinsuranceRecoverableForPaidAndUnpaidClaimsAndClaimsAdjustmentsMember |
| Explicit | us-gaap:ConcentrationRiskByTypeAxis |
| Member | us-gaap:ConcentrationRiskTypeDomain |
| Member | us-gaap:ReinsurerConcentrationRiskMember |
| Label/QName |
|---|
us-gaap:CededCreditRiskLineItems |
us-gaap:ReinsuranceRecoverablesAbstract |
us-gaap:ReinsuranceRecoverablesOnPaidAndUnpaidLossesAbstract |
us-gaap:ReinsuranceRecoverablesOnPaidLosses |
us-gaap:ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments |
us-gaap:ReinsuranceRecoverablesOnPaidAndUnpaidLosses |
us-gaap:PrepaidReinsurancePremiums |
us-gaap:ReinsuranceRecoverables |
us-gaap:ConcentrationRiskPercentage1 |
us-gaap:ConcentrationRiskCreditRiskReinsurance |