| Standard label: | Loss on Contract Termination for Default |
| Name: | us-gaap:LossOnContractTerminationForDefault |
| Documentation: | The amount of the loss on termination of a contract for default. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:LossOnContractTerminationForDefault |
| Label | Role | Language |
| Loss on Contract Termination for Default | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 912 20 45 5 | http://fasb.org/us-gaap/role/ref/legacyRef | 912 |