| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2023 | Feb 22, 2023 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2022 | Feb 23, 2022 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2019 | Nov 14, 2019 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2019 | Mar 14, 2019 | 001-16247 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 6, 2017 | Sep 27, 2017 | 001-16247 |