Other Corporate Bonds [Member]

NameAllOtherCorporateBondsMember
Namespacehttp://fasb.org/us-gaap/2020-01-31
Prefixus-gaap
Data typenonnum:domainItemType
Period typeduration
Substitution Groupxbrli:item
BalanceNone
NillableTrue
AbstractTrue

Labels

TextLangRoleContainer role
Other Corporate Bonds [Member]en-UShttp://www.xbrl.org/2003/role/labelhttp://www.xbrl.org/2003/role/link

Related Child Concepts

NameRelation TypeRole
us-gaap:DomesticCorporateDebtSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/SECScheduleArticle12-15SummaryOfInvestments-OtherThanInvestmentsInRelatedParties
us-gaap:BondsMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/SECScheduleArticle12-15SummaryOfInvestments-OtherThanInvestmentsInRelatedParties
us-gaap:SubordinatedDebtMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/SECScheduleArticle12-15SummaryOfInvestments-OtherThanInvestmentsInRelatedParties
us-gaap:AuctionRateSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/SECScheduleArticle12-15SummaryOfInvestments-OtherThanInvestmentsInRelatedParties
us-gaap:VariableRateDemandObligationMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/SECScheduleArticle12-15SummaryOfInvestments-OtherThanInvestmentsInRelatedParties
us-gaap:OtherDebtSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/SECScheduleArticle12-15SummaryOfInvestments-OtherThanInvestmentsInRelatedParties
us-gaap:DomesticCorporateDebtSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/SECScheduleArticle12-15SummaryOfInvestments-OtherThanInvestmentsInRelatedPartiesSummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesTable
us-gaap:BondsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/SECScheduleArticle12-15SummaryOfInvestments-OtherThanInvestmentsInRelatedPartiesSummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesTable
us-gaap:SubordinatedDebtMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/SECScheduleArticle12-15SummaryOfInvestments-OtherThanInvestmentsInRelatedPartiesSummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesTable
us-gaap:AuctionRateSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/SECScheduleArticle12-15SummaryOfInvestments-OtherThanInvestmentsInRelatedPartiesSummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesTable
us-gaap:VariableRateDemandObligationMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/SECScheduleArticle12-15SummaryOfInvestments-OtherThanInvestmentsInRelatedPartiesSummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesTable
us-gaap:OtherDebtSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/SECScheduleArticle12-15SummaryOfInvestments-OtherThanInvestmentsInRelatedPartiesSummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesTable