| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 8, 2021 | Jul 1, 2021 | 001-38483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 4, 2020 | Aug 1, 2020 | 001-38483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2020 | May 19, 2020 | 001-38483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2020 | May 6, 2020 | 001-38483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2019 | Jul 1, 2019 | 001-38483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 7, 2019 | Jan 2, 2019 | 001-38483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2018 | May 8, 2018 | 001-38483 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2018 | May 3, 2018 | 001-38483 |