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cm:Concept: us-gaap:PrepaidMineralRoyaltiesNoncurrent
Standard label: Prepaid Mineral Royalties, Noncurrent
Name: us-gaap:PrepaidMineralRoyaltiesNoncurrent
Documentation: Carrying amount as of the balance sheet date of capitalized amounts paid for mineral royalties which will be charged against earnings after one year or beyond the normal operating cycle, if longer.
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:PrepaidMineralRoyaltiesNoncurrent

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Labels
Label Role Language
Prepaid Mineral Royalties, Noncurrent http://www.xbrl.org/2003/role/label en-US

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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

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