| Standard label: | Deferred Compensation Arrangement with Individual, Description |
| Name: | us-gaap:DeferredCompensationArrangementWithIndividualDescription |
| Documentation: | Description of the deferred compensation arrangement, including fixed amounts and determinable awards, or the method for determining payments and awards, the timing of such payments and awards, and any requisite service or performance criteria, as of the balance sheet date. |
| Object type: | cm:Concept |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DeferredCompensationArrangementWithIndividualDescription |
| Label | Role | Language |
| Deferred Compensation Arrangement with Individual, Description | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 710 10 55 7 | http://fasb.org/us-gaap/role/ref/legacyRef | 710 |
| FASB Accounting Standards Codification 718 10 50 1 (a) | http://fasb.org/us-gaap/role/ref/legacyRef | 718 |