| Standard label: | Weighted Average Number of Shares Outstanding, Basic and Diluted |
| Name: | us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted |
| Documentation: | Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS). |
| Object type: | cm:Concept |
| Data type: | Shares (xbrli:sharesItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted |
| Label | Role | Language |
| Weighted Average Number of Shares Outstanding, Basic and Diluted | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |