| Standard label: | Adjustments for Error Corrections [Axis] | 
| Name: | us-gaap:ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis | 
| Documentation: | Information by type of error correction. | 
| Object type: | cm:Axis | 
| Data type: | Text/String (xbrli:stringItemType) | 
| Period type: | For Period (duration) | 
| Balance type: | (no balance type) | 
| Abstract: | true | 
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis | 
| Label | Role | Language | 
| Adjustments for Error Corrections [Axis] | http://www.xbrl.org/2003/role/label | en-US | 
| Reference | Role | Topic | 
| FASB Accounting Standards Codification 250 10 50 7 | http://fasb.org/us-gaap/role/ref/legacyRef | 250 | 
| FASB Accounting Standards Codification 250 10 50 8 | http://fasb.org/us-gaap/role/ref/legacyRef | 250 | 
| FASB Accounting Standards Codification 250 10 50 9 | http://fasb.org/us-gaap/role/ref/legacyRef | 250 |