| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 11, 2025 | Sep 11, 2025 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 4, 2025 | Apr 3, 2025 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 2, 2025 | Apr 1, 2025 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 1, 2025 | Mar 31, 2025 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 10, 2025 | Mar 6, 2025 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 4, 2024 | Apr 3, 2024 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 2, 2024 | Apr 1, 2024 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 1, 2024 | Mar 28, 2024 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 27, 2024 | Mar 26, 2024 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2024 | Mar 1, 2024 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 6, 2024 | Feb 5, 2024 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 5, 2023 | Apr 3, 2023 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2023 | Mar 31, 2023 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 28, 2023 | Mar 27, 2023 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 27, 2023 | Mar 24, 2023 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2023 | Mar 7, 2023 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 6, 2023 | Feb 3, 2023 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 1, 2022 | Mar 31, 2022 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 31, 2022 | Mar 29, 2022 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 29, 2022 | Mar 25, 2022 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2022 | Mar 7, 2022 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2022 | Mar 2, 2022 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 8, 2022 | Nov 22, 2021 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 20, 2021 | Aug 19, 2021 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2021 | May 19, 2021 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 5, 2021 | Apr 1, 2021 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 31, 2021 | Mar 29, 2021 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 29, 2021 | Mar 26, 2021 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2021 | Feb 26, 2021 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 16, 2021 | Feb 12, 2021 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 8, 2021 | Feb 5, 2021 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2020 | Nov 17, 2020 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 18, 2020 | Aug 14, 2020 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2020 | May 15, 2020 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 6, 2020 | Apr 2, 2020 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 31, 2020 | Mar 27, 2020 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 20, 2020 | Feb 18, 2020 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 18, 2020 | Feb 14, 2020 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2019 | Nov 15, 2019 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 30, 2019 | Aug 28, 2019 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2019 | May 15, 2019 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2019 | May 1, 2019 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 4, 2019 | Apr 2, 2019 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 2, 2019 | Mar 29, 2019 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2019 | Feb 25, 2019 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 15, 2019 | Feb 14, 2019 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2018 | Nov 15, 2018 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 17, 2018 | Aug 15, 2018 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2018 | May 15, 2018 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 5, 2018 | Apr 3, 2018 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2018 | Apr 2, 2018 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 28, 2018 | Mar 27, 2018 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2018 | Mar 8, 2018 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 16, 2018 | Feb 14, 2018 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2017 | Nov 16, 2017 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 16, 2017 | Aug 15, 2017 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2017 | May 18, 2017 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 5, 2017 | Apr 1, 2017 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 29, 2017 | Mar 27, 2017 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2017 | Feb 22, 2017 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 31, 2017 | Jan 31, 2017 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 16, 2016 | Nov 15, 2016 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 14, 2016 | Nov 11, 2016 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 17, 2016 | Aug 16, 2016 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 7, 2016 | Jun 3, 2016 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2016 | May 17, 2016 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 5, 2016 | Apr 1, 2016 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2016 | Feb 16, 2016 | 000-26584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 20, 2015 | Nov 19, 2015 | 000-26584 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 9, 2015 | Oct 1, 2015 | 000-26584 |