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cm:Concept: us-gaap:RestrictedInvestmentsNotExemptFromRegistrationAtFairValue
Standard label: Restricted Investments Not Exempt from Registration, at Fair Value
Name: us-gaap:RestrictedInvestmentsNotExemptFromRegistrationAtFairValue
Documentation: The aggregate value of all restricted investments which are not exempt from registration pursuant to Rule 144A.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: As Of (instant)
Balance type: Debit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:RestrictedInvestmentsNotExemptFromRegistrationAtFairValue

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Labels
Label Role Language
Restricted Investments Not Exempt from Registration, at Fair Value http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 946 320 S99 1 (SX 210.12-12.6(c)) http://fasb.org/us-gaap/role/ref/legacyRef 946
FASB Accounting Standards Codification 946 320 S99 4 (SX 210.12-12C.9(c)) http://fasb.org/us-gaap/role/ref/legacyRef 946