| Standard label: | Restriction to Transfer Funds |
| Name: | us-gaap:RestrictionToTransferFunds |
| Documentation: | The description of the nature of any restrictions on the ability of consolidated and unconsolidated subsidiaries to transfer funds to the parent in the form of cash dividends, loans and advances. |
| 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:RestrictionToTransferFunds |
| Label | Role | Language |
| Restriction to Transfer Funds | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 235 10 S99 1 (SX 210.4-08.(e)(3)(i)) | http://fasb.org/us-gaap/role/ref/legacyRef | 235 |