| Standard label: | Disposal Group, Including Discontinued Operation, Accrued Liabilities | 
| Name: | us-gaap:DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities | 
| Documentation: | Amount classified as accrued liabilities attributable to disposal group held for sale or disposed of. | 
| Object type: | cm:Concept | 
| Data type: | Monetary (xbrli:monetaryItemType) | 
| Period type: | As Of (instant) | 
| Balance type: | Credit | 
| Abstract: | false | 
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities | 
| Label | Role | Language | 
| Disposal Group, Including Discontinued Operation, Accrued Liabilities | http://www.xbrl.org/2003/role/label | en-US | 
| Reference | Role | Topic | 
| FASB Accounting Standards Codification 205 20 50 5B (e) | http://fasb.org/us-gaap/role/ref/legacyRef | 205 | 
| FASB Accounting Standards Codification 205 20 45 10 | http://fasb.org/us-gaap/role/ref/legacyRef | 205 | 
| FASB Accounting Standards Codification 205 20 45 11 | http://fasb.org/us-gaap/role/ref/legacyRef | 205 | 
| FASB Accounting Standards Codification 360 10 50 3 (e) | http://fasb.org/us-gaap/role/ref/legacyRef | 360 |