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cm:Level3TextBlock: us-gaap:ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock
Standard label: Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]
Name: us-gaap:ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock
Documentation: Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity.
Object type: cm:Level3TextBlock
Data type: Text Block (HTML) (nonnum:textBlockItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock

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Labels
Label Role Language
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 942 505 50 1B http://fasb.org/us-gaap/role/ref/legacyRef 942
FASB Accounting Standards Codification 942 505 50 1G http://fasb.org/us-gaap/role/ref/legacyRef 942
FASB Accounting Standards Codification 942 505 50 1H (c)(2) http://fasb.org/us-gaap/role/ref/legacyRef 942
FASB Accounting Standards Codification 942 505 50 1 (c)(1) http://fasb.org/us-gaap/role/ref/legacyRef 942