| Standard label: | Inventory, Cash Flow Policy [Policy Text Block] |
| Name: | us-gaap:InventoryCashFlowPolicy |
| Documentation: | Disclosure of accounting policy for determining where the cash flows related to the sale of inventory are classified in the statements of cash flows and explain the nature of the receivables, notes, and loans. |
| Object type: | cm:Level2TextBlock |
| Data type: | Text Block (HTML) (nonnum:textBlockItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:InventoryCashFlowPolicy |
| Label | Role | Language |
| Inventory, Cash Flow Policy [Policy Text Block] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 230 10 55 1 | http://fasb.org/us-gaap/role/ref/legacyRef | 230 |
| FASB Accounting Standards Codification 235 10 50 3 | http://fasb.org/us-gaap/role/ref/legacyRef | 235 |
| FASB Accounting Standards Codification 330 10 05 1 | http://fasb.org/us-gaap/role/ref/legacyRef | 330 |