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cm:Concept: us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
Standard label: Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Name: us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
Documentation: Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.
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:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

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Labels
Label Role Language
Lessee, Operating Lease, Liability, Undiscounted Excess Amount http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 842 20 50 6 http://www.xbrl.org/2003/role/disclosureRef 842