| Standard label: | Start-up Activities, Cost Policy [Policy Text Block] |
| Name: | us-gaap:StartUpActivitiesCostPolicy |
| Documentation: | Disclosure of accounting policy for start-up costs. Start-up activities include those one-time activities related to opening a new facility, introducing a new product or service, conducting business in a new territory, conducting business with a new class of customer or beneficiary, initiating a new process in an existing facility, or commencing some new operation. Start-up activities include activities related to organizing a new entity (commonly referred to as organization costs). |
| 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:StartUpActivitiesCostPolicy |
| Label | Role | Language |
| Start-up Activities, Cost Policy [Policy Text Block] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 235 10 50 3 | http://fasb.org/us-gaap/role/ref/legacyRef | 235 |