| Standard label: | Business Acquisition, Preacquisition Contingency, Amount of Settlement |
| Name: | us-gaap:BusinessAcquisitionPreacquisitionContingencyAmountOfSettlement |
| Documentation: | Amount paid or received to resolve the preacquisition contingency. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:BusinessAcquisitionPreacquisitionContingencyAmountOfSettlement |
| Label | Role | Language |
| Business Acquisition, Preacquisition Contingency, Amount of Settlement | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 340 10 S99 2 (SAB Topic 2.A.6) | http://fasb.org/us-gaap/role/ref/legacyRef | 340 |
| FASB Accounting Standards Codification 805 20 50 1 (d) | http://fasb.org/us-gaap/role/ref/legacyRef | 805 |