| 424B4 | Form of prospectus disclosing information facts events covered in both forms 424B1 424B3 | Apr 25, 2019 |  Open Form of prospectus disclosing information facts events covered in both forms 424B1 424B3 in HTML. Open Form of prospectus disclosing information facts events covered in both forms 424B1 424B3 in DOC file. Open Form of prospectus disclosing information facts events covered in both forms 424B1 424B3 in PDF file. Open Form of prospectus disclosing information facts events covered in both forms 424B1 424B3 in XLS file. |
| F-3/A | Amendment to a previously filed F-3 | Apr 23, 2019 | Open Amendment to a previously filed F-3 in HTML.Open Amendment to a previously filed F-3 in DOC file.Open Amendment to a previously filed F-3 in PDF file.Open Amendment to a previously filed F-3 in XLS file. |
| F-3 | Registration statement for certain foreign private issuers offered for certain transactions | Apr 12, 2019 | Open Registration statement for certain foreign private issuers offered for certain transactions in HTML.Open Registration statement for certain foreign private issuers offered for certain transactions in DOC file.Open Registration statement for certain foreign private issuers offered for certain transactions in PDF file.Open Registration statement for certain foreign private issuers offered for certain transactions in XLS file. |