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cm:Member: us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember
Standard label: Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Name: us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember
Documentation: Fixed rate on U.S. dollar, constant-notional interest rate swap that has its variable-rate leg referenced to Secured Overnight Financing Rate (SOFR) with no additional spread over SOFR on variable-rate leg.
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:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember

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Labels
Label Role Language
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 815 20 25 6A http://www.xbrl.org/2009/role/commonPracticeRef 815