| Type | including |
|---|---|
| Role | http://fasb.org/us-gaap/role/disclosure/InvestmentsInAndAdvancesToAffiliatesScheduleOfInvestmentsTable |
| Type | Element |
|---|---|
| Hypercube | us-gaap:ScheduleOfInvestmentsTable |
| Explicit | dei:LegalEntityAxis |
| Member | dei:EntityDomain |
| Label/QName |
|---|
us-gaap:ScheduleOfInvestmentsLineItems |
us-gaap:InvestmentsInAndAdvancesToAffiliatesTextBlock |
us-gaap:InvestmentsInAndAdvancesToAffiliatesLineItems |
us-gaap:InvestmentsInAndAdvancesToAffiliatesBalanceAbstract |
us-gaap:InvestmentsInAndAdvancesToAffiliatesBalanceShares |
us-gaap:InvestmentsInAndAdvancesToAffiliatesBalancePrincipalAmount |
us-gaap:InvestmentsInAndAdvancesToAffiliatesAmountOfEquity |
us-gaap:InvestmentsInAndAdvancesToAffiliatesDividendsOrInterest |
us-gaap:InvestmentsInAndAdvancesToAffiliatesDividendOrInterestCreditedToIncome |
us-gaap:InvestmentsInAndAdvancesToAffiliatesAtFairValueRollForward |
us-gaap:InvestmentsInAndAdvancesToAffiliatesAtFairValue |
us-gaap:InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions |
us-gaap:InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossReductions |
us-gaap:InvestmentsInAndAdvancesToAffiliatesAtFairValuePeriodIncreaseDecrease |
us-gaap:InvestmentsInAndAdvancesToAffiliatesAdditionalInformation |