| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 16, 2021 | Aug 12, 2021 | 001-33810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 26, 2021 | Jan 22, 2021 | 001-33810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 17, 2020 | Aug 12, 2020 | 001-33810 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 17, 2020 | Aug 12, 2020 | 001-33810 |