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cm:Level3TextBlock: us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock
Standard label: Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
Name: us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock
Documentation: Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances.
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:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock
Examples of this text block disclosure: FairValueMeasurementsRecurringAndNonrecurring

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Labels
Label Role Language
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 820 10 50 2C http://fasb.org/us-gaap/role/ref/legacyRef 820
FASB Accounting Standards Codification 820 10 50 2 (a) http://fasb.org/us-gaap/role/ref/legacyRef 820
FASB Accounting Standards Codification 820 10 50 2 (b) http://fasb.org/us-gaap/role/ref/legacyRef 820
FASB Accounting Standards Codification 820 10 50 2 (bb) http://fasb.org/us-gaap/role/ref/legacyRef 820
FASB Accounting Standards Codification 820 10 50 3 http://fasb.org/us-gaap/role/ref/legacyRef 820