| Standard label: | Loss Contingency, Expected Trial Commencement |
| Name: | us-gaap:LossContingencyExpectedTrialCommencement |
| Documentation: | If determined, state the month and year in which the contingent legal matter will be considered in a court of law or other jurisdiction. |
| Object type: | cm:Concept |
| Data type: | Year/Month (xbrli:gYearMonthItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:LossContingencyExpectedTrialCommencement |
| Label | Role | Language |
| Loss Contingency, Expected Trial Commencement | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 450 20 50 1 | http://fasb.org/us-gaap/role/ref/legacyRef | 450 |
| FASB Accounting Standards Codification 450 20 50 4 (a) | http://fasb.org/us-gaap/role/ref/legacyRef | 450 |
| FASB Accounting Standards Codification 450 20 50 9 (a) | http://fasb.org/us-gaap/role/ref/legacyRef | 450 |