| Standard label: | Business Insurance Recoveries [Table] |
| Name: | us-gaap:ScheduleOfBusinessInsuranceRecoveriesTable |
| Documentation: | Disclosure of information about business interruption insurance recoveries. Includes, but is not limited to, the nature of the event resulting in business interruption loss, amount of business interruption insurance recoveries recognized, and line item in the statement of income in which those recoveries are classified. |
| Object type: | cm:Table |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | true |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:ScheduleOfBusinessInsuranceRecoveriesTable |
| Label | Role | Language |
| Business Insurance Recoveries [Table] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 220 30 50 1 | http://fasb.org/us-gaap/role/ref/legacyRef | 220 |