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cm:Member: us-gaap:FinancialSupportPurchaseAgreementOfFinancialAssetsMember
Standard label: Financial Support, Purchase Agreement of Financial Assets [Member]
Name: us-gaap:FinancialSupportPurchaseAgreementOfFinancialAssetsMember
Documentation: Agreement to purchase financial assets for amounts greater than fair value.
Object type: cm:Member
Data type: [Member] (nonnum:domainItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: true
Workiva Wdesk Taxonomy Analyzer: us-gaap:FinancialSupportPurchaseAgreementOfFinancialAssetsMember

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Labels
Label Role Language
Financial Support, Purchase Agreement of Financial Assets [Member] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 810 10 15 12 (f)(2) http://fasb.org/us-gaap/role/ref/legacyRef 810
FASB Accounting Standards Codification 946 20 50 15 (a) http://fasb.org/us-gaap/role/ref/legacyRef 946