| Standard label: | Deferred Compensation Equity |
| Name: | us-gaap:DeferredCompensationEquity |
| Documentation: | Value of stock issued under share-based plans to employees or officers which is the unearned portion, accounted for under the fair value method. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DeferredCompensationEquity |
| Label | Role | Language |
| Deferred Compensation Equity | http://www.xbrl.org/2003/role/label | en-US |
| Deferred Compensation Equity, Ending Balance | http://www.xbrl.org/2003/role/periodEndLabel | en-US |
| Deferred Compensation Equity, Beginning Balance | http://www.xbrl.org/2003/role/periodStartLabel | en-US |
| Deferred Compensation Equity, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02.30) | http://fasb.org/us-gaap/role/ref/legacyRef | 210 |
| FASB Accounting Standards Codification 718 10 35 2 | http://fasb.org/us-gaap/role/ref/legacyRef | 718 |
| Part Of Roll Up: |
| us-gaap:StockholdersEquity |