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cm:Concept: us-gaap:TemporaryEquityIssuePeriodIncreaseOrDecrease
Standard label: Temporary Equity, Carrying Amount, Period Increase (Decrease)
Name: us-gaap:TemporaryEquityIssuePeriodIncreaseOrDecrease
Documentation: Change in the value of each type or class of stock classified as temporary equity during the period. The redemption requirement does not constitute an unconditional obligation that will be settled in a variable number of shares constituting a monetary value predominantly indexed to (a) a fixed monetary amount known at inception, (b) an amount inversely correlated with the residual value of the entity, or (c) an amount determined by reference to something other than the fair value of issuer's stock. Does not include mandatorily redeemable stock. The exception is if redemption is required upon liquidation or termination of the reporting entity.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:TemporaryEquityIssuePeriodIncreaseOrDecrease

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Labels
Label Role Language
Temporary Equity, Carrying Amount, Period Increase (Decrease) http://www.xbrl.org/2003/role/label en-US
Temporary Equity, Carrying Amount, Period Increase (Decrease), Total http://www.xbrl.org/2003/role/totalLabel en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 210 10 S99 1 (27) http://fasb.org/us-gaap/role/ref/legacyRef 210
FASB Accounting Standards Codification 480 10 S99 1 http://fasb.org/us-gaap/role/ref/legacyRef 480