| Standard label: | Land and Building [Member] |
| Name: | us-gaap:LandAndBuildingMember |
| Documentation: | Real estate held for productive use and structures used in the conduct of business, including but not limited to, office, production, storage and distribution facilities. |
| Object type: | cm:Member |
| Data type: | [Member] (nonnum:domainItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | true |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:LandAndBuildingMember |
| Label | Role | Language |
| Land and Building [Member] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |