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cm:Level2TextBlock: us-gaap:EquityAndCostMethodInvestmentsPolicy
Standard label: Equity and Cost Method Investments, Policy [Policy Text Block]
Name: us-gaap:EquityAndCostMethodInvestmentsPolicy
Documentation: Disclosure of accounting policy for the equity method of accounting for investments in common stock or other interests including unconsolidated domestic subsidiaries, corporate joint ventures, noncontrolling interests in real estate ventures, limited partnerships, and limited liability companies. Additionally, this element describes the entity's application of the cost method to equity investments or other interests that are not consolidated or accounted for under the equity method of accounting. The disclosure provided may include how equity method or cost investments are assessed for impairment.
Object type: cm:Level2TextBlock
Data type: Text Block (HTML) (nonnum:textBlockItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:EquityAndCostMethodInvestmentsPolicy

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Equity and Cost Method Investments, Policy [Policy Text Block] http://www.xbrl.org/2003/role/label en-US

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