*

cm:Level2TextBlock: us-gaap:DeferredChargesPolicyTextBlock
Standard label: Deferred Charges, Policy [Policy Text Block]
Name: us-gaap:DeferredChargesPolicyTextBlock
Documentation: Disclosure of accounting policy for deferral and amortization of significant deferred charges.
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:DeferredChargesPolicyTextBlock

*

Labels
Label Role Language
Deferred Charges, Policy [Policy Text Block] http://www.xbrl.org/2003/role/label en-US

*

References
Reference Role Topic
FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02.17) http://fasb.org/us-gaap/role/ref/legacyRef 210
FASB Accounting Standards Codification 235 10 50 3 http://fasb.org/us-gaap/role/ref/legacyRef 235