| Standard label: | Trade Accounts Receivable [Member] |
| Name: | us-gaap:TradeAccountsReceivableMember |
| Documentation: | Amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business. |
| Object type: | cm:Member |
| Data type: | [Member] (nonnum:domainItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | true |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:TradeAccountsReceivableMember |
| Label | Role | Language |
| Trade Accounts Receivable [Member] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02.3(a)(1),(4)) | http://fasb.org/us-gaap/role/ref/legacyRef | 210 |