| Standard label: | Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share |
| Name: | us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare |
| Documentation: | Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation. |
| Object type: | cm:Concept |
| Data type: | Share (num:perShareItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare |
| Label | Role | Language |
| Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share | http://www.xbrl.org/2003/role/label | en-US |
| Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 260 10 45 60B (d) | http://www.xbrl.org/2003/role/disclosureRef | 260 |
| FASB Accounting Standards Codification 260 10 45 3 | http://fasb.org/us-gaap/role/ref/legacyRef | 260 |
| FASB Accounting Standards Codification 260 10 45 7 | http://www.xbrl.org/2003/role/disclosureRef | 260 |
| FASB Accounting Standards Codification 810 10 S99 5 (SAB Topic 5.E) | http://fasb.org/us-gaap/role/ref/legacyRef | 810 |
| Part Of Roll Up: |
| us-gaap:EarningsPerShareDiluted |