| Standard label: | Debt Instrument, Convertible, Earliest Date |
| Name: | us-gaap:DebtInstrumentConvertibleEarliestDate1 |
| Documentation: | Earliest date when the debt instrument can be converted into equity, 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:DebtInstrumentConvertibleEarliestDate1 |
| Label | Role | Language |
| Debt Instrument, Convertible, Earliest Date | 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 |
| FASB Accounting Standards Codification 505 10 50 7 | http://fasb.org/us-gaap/role/ref/legacyRef | 505 |