| Standard label: | OCI, before Reclassifications, before Tax, Attributable to Parent | 
| Name: | us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent | 
| Documentation: | Amount before tax and reclassification adjustments of other comprehensive income (loss) attributable to parent. | 
| Object type: | cm:Concept | 
| Data type: | Monetary (xbrli:monetaryItemType) | 
| Period type: | For Period (duration) | 
| Balance type: | Credit | 
| Abstract: | false | 
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent | 
| Label | Role | Language | 
| OCI, before Reclassifications, before Tax, Attributable to Parent | http://www.xbrl.org/2003/role/label | en-US | 
| Reference | Role | Topic | 
| FASB Accounting Standards Codification 220 10 45 14A | http://fasb.org/us-gaap/role/ref/legacyRef | 220 |