| Standard label: | Weighted Average Number Diluted Shares Outstanding Adjustment |
| Name: | us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment |
| Documentation: | The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. |
| 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:WeightedAverageNumberDilutedSharesOutstandingAdjustment |
| Label | Role | Language |
| Weighted Average Number Diluted Shares Outstanding Adjustment | http://www.xbrl.org/2003/role/label | en-US |
| Weighted Average Number Diluted Shares Outstanding Adjustment, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 260 10 50 1 (a) | http://fasb.org/us-gaap/role/ref/legacyRef | 260 |
| Part Of Roll Up: |
| us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding |