| Standard label: | Debt Instrument, Sinking Fund Description |
| Name: | us-gaap:DebtInstrumentSinkingFundDescription |
| Documentation: | Describes the provision of a debt agreement that requires the borrower to periodically place monies into a fund which is used to retire, typically annually, a portion of the outstanding debt. |
| Object type: | cm:Concept |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DebtInstrumentSinkingFundDescription |
| Label | Role | Language |
| Debt Instrument, Sinking Fund Description | 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)) | http://fasb.org/us-gaap/role/ref/legacyRef | 210 |
| FASB Accounting Standards Codification 505 10 50 3 | http://fasb.org/us-gaap/role/ref/legacyRef | 505 |