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cm:Concept: us-gaap:ObligationWithJointAndSeveralLiabilityArrangementAmountOutstanding
Standard label: Obligation with Joint and Several Liability Arrangement, Amount Outstanding
Name: us-gaap:ObligationWithJointAndSeveralLiabilityArrangementAmountOutstanding
Documentation: Amount outstanding, before the effects of recovery, of obligation under the joint and several liability arrangement.
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:ObligationWithJointAndSeveralLiabilityArrangementAmountOutstanding

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Labels
Label Role Language
Obligation with Joint and Several Liability Arrangement, Amount Outstanding http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 405 40 50 1 (b) http://fasb.org/us-gaap/role/ref/legacyRef 405