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cm:Level2TextBlock: us-gaap:FinancingReceivableAllowanceForCreditLossesPolicyForUncollectibleAmounts
Standard label: Financing Receivable, Allowance for Credit Losses, Policy for Uncollectible Amounts [Policy Text Block]
Name: us-gaap:FinancingReceivableAllowanceForCreditLossesPolicyForUncollectibleAmounts
Documentation: Disclosure of accounting policy for charging off uncollectible financing receivables, including, but not limited to, factors and methodologies used in estimating the allowance for credit loss.
Object type: cm:Level2TextBlock
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:FinancingReceivableAllowanceForCreditLossesPolicyForUncollectibleAmounts

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Labels
Label Role Language
Financing Receivable, Allowance for Credit Losses, Policy for Uncollectible Amounts [Policy Text Block] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 310 10 50 11B (a,b) http://fasb.org/us-gaap/role/ref/legacyRef 310