IndexBusiness Contact [Member]
| Name | BusinessContactMember |
|---|---|
| Namespace | http://xbrl.sec.gov/dei/2019-01-31 |
| Prefix | dei |
| Data type | nonnum:domainItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| Business contact for the entity | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Business Contact [Member] | 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 | Forms 20-F, 40-F | http://www.xbrl.org/2003/role/presentationRef |
| Number | 249 | http://www.xbrl.org/2003/role/presentationRef |
| Section | 220 and 240 | http://www.xbrl.org/2003/role/presentationRef |
| Subsection | f | http://www.xbrl.org/2003/role/presentationRef |