| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 17, 2021 | Jun 15, 2021 | 001-34361 |
| 3/A | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 1, 2020 | Jun 12, 2020 | 001-34361 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 24, 2020 | Jun 12, 2020 | 001-34361 |