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cm:Axis: us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationBySurveillanceCategoryAxis
Standard label: Credit Deterioration Surveillance Category [Axis]
Name: us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationBySurveillanceCategoryAxis
Documentation: Information by category used by management to monitor and track credit deterioration of an insured party's obligations on the underlying contracts (such as debt agreements).
Object type: cm:Axis
Data type: Text/String (xbrli:stringItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: true
Workiva Wdesk Taxonomy Analyzer: us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationBySurveillanceCategoryAxis

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Labels
Label Role Language
Credit Deterioration Surveillance Category [Axis] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 944 40 50 9 (a)(5), (b)(1) http://fasb.org/us-gaap/role/ref/legacyRef 944