IndexDocuments Incorporated by Reference [Text Block]
| Name | DocumentsIncorporatedByReferenceTextBlock |
|---|---|
| Namespace | http://xbrl.sec.gov/dei/2019-01-31 |
| Prefix | dei |
| Data type | nonnum:textBlockItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| Documents incorporated by reference. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Documents Incorporated by Reference [Text Block] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
References
| Name | Value | Role |
|---|---|---|
| Publisher | SEC | http://www.xbrl.org/2003/role/presentationRef |
| Name | Exchange Act | 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-23 | http://www.xbrl.org/2003/role/presentationRef |