| Name | EntityCentralIndexKey |
|---|---|
| Namespace | http://xbrl.sec.gov/dei/2019-01-31 |
| Prefix | dei |
| Data type | dei:centralIndexKeyItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Entity Central Index Key | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Publisher | SEC | http://www.xbrl.org/2003/role/presentationRef |
| Name | Regulation 12B | http://www.xbrl.org/2003/role/presentationRef |
| Number | 240 | http://www.xbrl.org/2003/role/presentationRef |
| Section | 12 | http://www.xbrl.org/2003/role/presentationRef |
| Subsection | b-2 | http://www.xbrl.org/2003/role/presentationRef |