| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Apr 22, 2024 | Feb 5, 2024 | 000-29089 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 9, 2023 | Jan 8, 2022 | 000-29089 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 8, 2022 | Feb 4, 2022 | 000-29089 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 2, 2021 | Jun 15, 2021 | 000-29089 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 21, 2021 | Jun 16, 2021 | 000-29089 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 21, 2020 | Dec 17, 2020 | 000-29089 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 23, 2020 | Jun 19, 2020 | 000-29089 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 17, 2020 | Jun 16, 2020 | 000-29089 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 27, 2019 | Dec 24, 2019 | 000-29089 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 21, 2019 | Jun 19, 2019 | 000-29089 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 14, 2018 | Nov 7, 2018 | 000-29089 | 
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Nov 14, 2018 | Nov 7, 2018 | 000-29089 |