| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2024 | Apr 29, 2024 | 001-07265 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2020 | May 20, 2020 | 001-07265 | 
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 30, 2016 | Jun 30, 2016 | 001-07265 |