| Standard label: | Increase (Decrease) in Due from Related Parties, Current |
| Name: | us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent |
| Documentation: | The aggregate increase (decrease) during the reporting period in the amount due from the following types of related parties: a parent company and its subsidiaries; subsidiaries of a common parent; an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; an entity and its principal owners, management, or member of their immediate families, affiliates, or other parties with the ability to exert significant influence. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent |
| Label | Role | Language |
| Increase (Decrease) in Due from Related Parties, Current | http://www.xbrl.org/2003/role/label | en-US |
| Increase (Decrease) in Due from Related Parties, Current, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 230 10 45 28 (a) | http://fasb.org/us-gaap/role/ref/legacyRef | 230 |