| Standard label: | Impaired Assets to be Disposed of by Method Other than Sale, Carrying Value of Asset |
| Name: | us-gaap:ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleCarryingValueOfAsset |
| Documentation: | The carrying amount on the books of the entity of the impaired asset to be disposed of by a method other than sale. |
| 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:ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleCarryingValueOfAsset |
| Label | Role | Language |
| Impaired Assets to be Disposed of by Method Other than Sale, Carrying Value of Asset | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 360 10 50 2 | http://fasb.org/us-gaap/role/ref/legacyRef | 360 |
| FASB Accounting Standards Codification 360 10 45 15 | http://fasb.org/us-gaap/role/ref/legacyRef | 360 |