| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 17, 2021 | Jul 22, 2021 | 001-37897 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 24, 2021 | Jun 15, 2021 | 001-37897 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 29, 2018 | Aug 13, 2018 | 001-33818 |