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cm:Concept: us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
Standard label: Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions
Name: us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
Documentation: Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.
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:UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions

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Labels
Label Role Language
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 740 10 50 15A (a)(1) http://fasb.org/us-gaap/role/ref/legacyRef 740

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