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cm:Member: us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember
Standard label: Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member]
Name: us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember
Documentation: Accumulated other comprehensive income (loss) from gain (loss) of derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness, including portion attributable to noncontrolling interest.
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:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember

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Labels
Label Role Language
Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 220 10 45 14A http://www.xbrl.org/2003/role/disclosureRef 220
FASB Accounting Standards Codification 810 10 50 1A (c)(3) http://www.xbrl.org/2003/role/disclosureRef 810