| Standard label: | Effect of Fourth Quarter Events, Description |
| Name: | us-gaap:YearEndAdjustmentsEffectOfFourthQuarterEventsDescription |
| Documentation: | Description of a transaction recognized in the fourth quarter. Includes, but is not limited to, the disposal of a component of an entity, an unusual or infrequently occurring item, or both, effect from a change in accounting estimate, and effect of a year-end adjustment. |
| Object type: | cm:Concept |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:YearEndAdjustmentsEffectOfFourthQuarterEventsDescription |
| Label | Role | Language |
| Effect of Fourth Quarter Events, Description | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 270 10 50 2 | http://fasb.org/us-gaap/role/ref/legacyRef | 270 |