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cm:Level1TextBlock: us-gaap:DepositLiabilitiesDisclosuresTextBlock
Standard label: Deposit Liabilities Disclosures [Text Block]
Name: us-gaap:DepositLiabilitiesDisclosuresTextBlock
Documentation: The entire disclosure for deposit liabilities including data and tables. It may include a description of the entity's deposit liabilities, the aggregate amount of time deposits (including certificates of deposit) in denominations of $100,000 or more at the balance sheet date; the aggregate amount of any demand deposits that have been reclassified as loan balances, such as overdrafts, at the balance sheet date; deposits that are received on terms other than those in the normal course of business, the amount of accrued interest on deposit liabilities; securities, mortgage loans or other financial instruments that serve as collateral for deposits; for time deposits having a remaining term of more than one year, the aggregate amount of maturities for each of the five years following the balance sheet date; and the weighted average interest rate for all deposit liabilities held by the entity.
Object type: cm:Level1TextBlock
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:DepositLiabilitiesDisclosuresTextBlock

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Labels
Label Role Language
Deposit Liabilities Disclosures [Text Block] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 942 210 S99 1 (SX 210.9-03.12) http://fasb.org/us-gaap/role/ref/legacyRef 942
FASB Accounting Standards Codification 942 405 50 1 http://fasb.org/us-gaap/role/ref/legacyRef 942