| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 18, 2025 | Jun 17, 2025 | 001-10932 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 13, 2024 | Jun 12, 2024 | 001-10932 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 27, 2023 | Jun 26, 2023 | 001-10932 | 
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 27, 2023 | Jun 22, 2023 | 001-10932 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 7, 2022 | Jun 4, 2022 | 000-27446 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2022 | May 31, 2022 | 000-27446 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2022 | Dec 31, 2021 | 811-07074 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 8, 2021 | Jun 4, 2021 | 000-27446 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2021 | Jun 1, 2021 | 000-27446 | 
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2021 | Mar 31, 2021 | 811-07074 | 
| 4 | Open Document | Open Filing | FORM 4 | Mar 15, 2021 | Mar 12, 2021 | 811-07074 | 
| 4 | Open Document | Open Filing | FORM 4 | Dec 31, 2020 | Dec 30, 2020 | 811-07074 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 20, 2020 | Oct 15, 2020 | 000-27446 | 
| 3 | Open Document | Open Filing | FORM 3 | Aug 17, 2020 | Aug 10, 2020 | 811-07074 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2020 | Jun 1, 2020 | 000-27446 | 
| 4 | Open Document | Open Filing | FORM 4 | May 29, 2020 | May 28, 2020 | 000-27446 | 
| 4 | Open Document | Open Filing | FORM 4 | Nov 14, 2019 | Nov 12, 2019 | 000-27446 | 
| 4 | Open Document | Open Filing | FORM 4 | Oct 17, 2019 | Oct 15, 2019 | 000-27446 | 
| 4 | Open Document | Open Filing | FORM 4 | May 30, 2019 | May 28, 2019 | 000-27446 | 
| 4 | Open Document | Open Filing | FORM 4 | May 28, 2019 | May 24, 2019 | 000-27446 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 1, 2018 | May 30, 2018 | 000-27446 | 
| 4 | Open Document | Open Filing | FORM 4 | May 25, 2018 | May 23, 2018 | 000-27446 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 5, 2017 | Jun 1, 2017 | 000-27446 | 
| 4 | Open Document | Open Filing | FORM 4 | May 26, 2017 | May 25, 2017 | 000-27446 | 
| 4/A | Open Document | Open Filing | FORM 4/A | Jun 1, 2016 | May 26, 2016 | 000-27446 | 
| 4 | Open Document | Open Filing | FORM 4 | May 31, 2016 | May 26, 2016 | 000-27446 | 
| 4 | Open Document | Open Filing | FORM 4 | Nov 23, 2015 | Nov 23, 2015 | 000-27446 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 11, 2015 | Aug 7, 2015 | 000-27446 | 
| 4 | Open Document | Open Filing | FORM 4 | May 29, 2015 | May 28, 2015 | 000-27446 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 10, 2014 | Jun 6, 2014 | 000-27446 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2014 | May 29, 2014 | 000-27446 |