| Standard label: | Due from Related Parties, Noncurrent | 
| Name: | us-gaap:DueFromRelatedPartiesNoncurrent | 
| Documentation: | Aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due after one year (or one business cycle). | 
| 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:DueFromRelatedPartiesNoncurrent | 
| Label | Role | Language | 
| Due from Related Parties, Noncurrent | http://www.xbrl.org/2003/role/label | en-US | 
| Due from Related Parties, Noncurrent, Total | http://www.xbrl.org/2003/role/totalLabel | en-US | 
| Reference | Role | Topic | 
| FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02.11) | http://fasb.org/us-gaap/role/ref/legacyRef | 210 | 
| FASB Accounting Standards Codification 235 10 S99 1 (SX 210.4-08.(k)(1)) | http://fasb.org/us-gaap/role/ref/legacyRef | 235 | 
| FASB Accounting Standards Codification 850 10 50 1 (d) | http://fasb.org/us-gaap/role/ref/legacyRef | 850 | 
| Part Of Roll Up: | 
| us-gaap:LongTermInvestmentsAndReceivablesNet |