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cm:Member: us-gaap:ValuationAllowanceOperatingLossCarryforwardsMember
Standard label: SEC Schedule, 12-09, Valuation Allowance, Operating Loss Carryforward [Member]
Name: us-gaap:ValuationAllowanceOperatingLossCarryforwardsMember
Documentation: Valuation allowance of deferred tax asset attributable to operating loss carryforward.
Object type: cm:Member
Data type: [Member] (nonnum:domainItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: true
Workiva Wdesk Taxonomy Analyzer: us-gaap:ValuationAllowanceOperatingLossCarryforwardsMember

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Labels
Label Role Language
SEC Schedule, 12-09, Valuation Allowance, Operating Loss Carryforward [Member] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 235 10 S99 4 (SX 210.12-09(ColumnA)) http://www.xbrl.org/2009/role/commonPracticeRef 235