| Standard label: | Amount of Restricted Net Assets for Consolidated and Unconsolidated Subsidiaries |
| Name: | us-gaap:AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries |
| Documentation: | Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year. |
| 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:AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries |
| Label | Role | Language |
| Amount of Restricted Net Assets for Consolidated and Unconsolidated Subsidiaries | 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)(ii)) | http://fasb.org/us-gaap/role/ref/legacyRef | 235 |