| Standard label: | Short-term Debt, Maximum Month-end Outstanding Amount |
| Name: | us-gaap:ShorttermDebtMaximumMonthendOutstandingAmount |
| Documentation: | For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, maximum month-end borrowings during the period. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:ShorttermDebtMaximumMonthendOutstandingAmount |
| Label | Role | Language |
| Short-term Debt, Maximum Month-end Outstanding Amount | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02(19)) | http://fasb.org/us-gaap/role/ref/legacyRef | 210 |