| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 7, 2022 | Mar 3, 2022 | 001-38513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 23, 2021 | Aug 19, 2021 | 001-38513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 23, 2020 | Oct 21, 2020 | 001-38513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 21, 2020 | Sep 17, 2020 | 001-38513 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 25, 2019 | Sep 23, 2019 | 001-38513 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 9, 2018 | Dec 29, 2017 | 000-53088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 3, 2017 | Sep 29, 2017 | 000-53088 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 31, 2017 | Jul 31, 2017 | 000-53088 |