| Standard label: | Debt Instrument, Maturity Date Range, End | 
| Name: | us-gaap:DebtInstrumentMaturityDateRangeEnd1 | 
| Documentation: | Latest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format. | 
| Object type: | cm:Concept | 
| Data type: | Date (xbrli:dateItemType) | 
| Period type: | For Period (duration) | 
| Balance type: | (no balance type) | 
| Abstract: | false | 
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DebtInstrumentMaturityDateRangeEnd1 | 
| Label | Role | Language | 
| Debt Instrument, Maturity Date Range, End | 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(a)(2)) | http://fasb.org/us-gaap/role/ref/legacyRef | 210 |