| Standard label: | Deferred Compensation Arrangement with Individual, Requisite Service Period |
| Name: | us-gaap:DeferredCompensationArrangementWithIndividualRequisiteServicePeriod1 |
| Documentation: | Minimum period the individual is required to perform services to be fully vested under the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. |
| Object type: | cm:Concept |
| Data type: | xbrli:durationItemType |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DeferredCompensationArrangementWithIndividualRequisiteServicePeriod1 |
| Label | Role | Language |
| Deferred Compensation Arrangement with Individual, Requisite Service Period | 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 2 (a)(1) | http://fasb.org/us-gaap/role/ref/legacyRef | 718 |