| Standard label: | Nonrecurring Adjustment [Domain] |
| Name: | us-gaap:NonrecurringAdjustmentDomain |
| Documentation: | Material, nonrecurring adjustment(s) allocated (included) to (in) reported pro forma revenue and earnings (supplemental pro forma information). |
| Object type: | cm:Member |
| Data type: | [Member] (nonnum:domainItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | true |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:NonrecurringAdjustmentDomain |
| Label | Role | Language |
| Nonrecurring Adjustment [Domain] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 805 10 50 2 (h)(4) | http://fasb.org/us-gaap/role/ref/legacyRef | 805 |