| Standard label: | Income (Loss) of Discontinued Operation, Equity Method Investment Retained after Disposal, before Income Tax |
| Name: | us-gaap:IncomeLossOfDiscontinuedOperationEquityMethodInvestmentRetainedAfterDisposalBeforeIncomeTax |
| Documentation: | Amount before tax of income (loss) of the investee in which an equity method investment is retained after disposal of discontinued operation. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:IncomeLossOfDiscontinuedOperationEquityMethodInvestmentRetainedAfterDisposalBeforeIncomeTax |
| Label | Role | Language |
| Income (Loss) of Discontinued Operation, Equity Method Investment Retained after Disposal, before Income Tax | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 205 20 50 4B (d)(1) | http://fasb.org/us-gaap/role/ref/legacyRef | 205 |