| Standard label: | SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] |
| Name: | us-gaap:ValuationAllowancesAndReservesTypeAxis |
| Documentation: | Information by valuation and qualifying accounts and reserves. |
| 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:ValuationAllowancesAndReservesTypeAxis |
| Label | Role | Language |
| SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 235 10 S99 4 (SX 210.12-09) | http://www.xbrl.org/2003/role/disclosureRef | 235 |