| Standard label: | Lessee, Operating Lease, Liability, Undiscounted Excess Amount |
| Name: | us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount |
| Documentation: | Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease. |
| 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:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount |
| Label | Role | Language |
| Lessee, Operating Lease, Liability, Undiscounted Excess Amount | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 842 20 50 6 | http://www.xbrl.org/2003/role/disclosureRef | 842 |