| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 6, 2022 | Jun 2, 2022 | 001-36771 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 28, 2021 | Sep 24, 2021 | 001-36771 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2021 | Jun 1, 2021 | 001-36771 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2020 | May 28, 2020 | 001-36771 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 7, 2019 | Jun 5, 2019 | 001-36771 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 4, 2018 | May 31, 2018 | 001-36771 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2018 | Feb 24, 2018 | 001-36771 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 22, 2017 | Dec 13, 2017 | 001-36771 |