| Standard label: | Common Stock Held in Trust |
| Name: | us-gaap:CommonStockHeldInTrust |
| Documentation: | Value of common stock held in trust. |
| 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:CommonStockHeldInTrust |
| Label | Role | Language |
| Common Stock Held in Trust | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |