Schedule of Insured Financial Obligations with Credit Deterioration, Reductions of Gross Claim Liability, Gross Potential Recoveries

NameScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossClaimLiabilityGrossPotentialRecoveries
Namespacehttp://fasb.org/us-gaap/2020-01-31
Prefixus-gaap
Data typexbrli:monetaryItemType
Period typeinstant
Substitution Groupxbrli:item
Balancedebit
NillableTrue
AbstractFalse

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Schedule of Insured Financial Obligations with Credit Deterioration, Reductions of Gross Claim Liability, Gross Potential Recoveriesen-UShttp://www.xbrl.org/2003/role/labelhttp://www.xbrl.org/2003/role/link