| Standard label: | Year-End Adjustment [Member] |
| Name: | us-gaap:YearEndAdjustmentMember |
| Documentation: | A significant favorable or unfavorable adjustment of revenue or expenses made at year-end, possibly arising from an audit. Examples of such items include changes in estimates, such as inventory shrinkage, allowance for uncollectible accounts, allowance for quantity discounts, and management decisions near the balance sheet date that impact reported results of operations. |
| 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:YearEndAdjustmentMember |
| Label | Role | Language |
| Year-End Adjustment [Member] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 270 10 45 10 | http://fasb.org/us-gaap/role/ref/legacyRef | 270 |