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cm:Concept: us-gaap:SharesSubjectToMandatoryRedemptionSettlementTermsExcessOfLiabilitiesOverAssets
Standard label: Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Excess of Liabilities over Assets
Name: us-gaap:SharesSubjectToMandatoryRedemptionSettlementTermsExcessOfLiabilitiesOverAssets
Documentation: The value of the excess of liabilities over assets. If all outstanding shares are subject to mandatory redemption and the redemption price is more than the book value (the redemption price exceeds the company's equity balance), the resulting cumulative transition adjustment and subsequent adjustments to reflect changes in the redemption price of the shares are recorded as an excess of liabilities over assets.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: As Of (instant)
Balance type: Credit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:SharesSubjectToMandatoryRedemptionSettlementTermsExcessOfLiabilitiesOverAssets

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Labels
Label Role Language
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Excess of Liabilities over Assets http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 480 10 45 2A http://fasb.org/us-gaap/role/ref/legacyRef 480