| Standard label: | Sale Leaseback Transaction, Deferred Gain, Net |
| Name: | us-gaap:SaleLeasebackTransactionDeferredGainNet |
| Documentation: | The portion of the gain that will be recorded as income or a reduction in rent expense in future periods less amounts recognized in the current period. |
| 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:SaleLeasebackTransactionDeferredGainNet |
| Label | Role | Language |
| Sale Leaseback Transaction, Deferred Gain, Net | http://www.xbrl.org/2003/role/label | en-US |
| Sale Leaseback Transaction, Deferred Gain, Net, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 840 40 35 1 | http://fasb.org/us-gaap/role/ref/otherTransitionRef | 840 |