| Standard label: | Debt Instrument, Unused Borrowing Capacity, Amount |
| Name: | us-gaap:DebtInstrumentUnusedBorrowingCapacityAmount |
| Documentation: | Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DebtInstrumentUnusedBorrowingCapacityAmount |
| Label | Role | Language |
| Debt Instrument, Unused Borrowing Capacity, Amount | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02.22(b)) | http://fasb.org/us-gaap/role/ref/legacyRef | 210 |