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cm:Concept: us-gaap:EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount
Standard label: Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Amount
Name: us-gaap:EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount
Documentation: Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to Tax Cuts and Jobs Act.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: For Period (duration)
Balance type: Debit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount

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Labels
Label Role Language
Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Amount http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 740 10 50 12 http://www.xbrl.org/2009/role/commonPracticeRef 740

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Roll Up Relations
Part Of Roll Up:
us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate