| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2022 | Mar 1, 2022 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2022 | Jan 1, 2022 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 5, 2021 | Oct 1, 2021 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 6, 2021 | Jul 1, 2021 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2021 | Jun 1, 2021 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 5, 2021 | Apr 1, 2021 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2021 | Jan 1, 2021 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2020 | Oct 1, 2020 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2020 | Jul 1, 2020 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2020 | Apr 1, 2020 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 2, 2020 | Jan 1, 2020 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 3, 2019 | Oct 1, 2019 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2019 | Jul 1, 2019 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2019 | Apr 1, 2019 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2019 | Jan 1, 2019 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2018 | Oct 1, 2018 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2018 | Jul 1, 2018 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2018 | Apr 1, 2018 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 2, 2018 | Jan 1, 2018 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2017 | Oct 1, 2017 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 5, 2017 | Jul 1, 2017 | 000-25464 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 5, 2017 | Apr 1, 2017 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 4, 2017 | Apr 1, 2017 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2017 | Jan 1, 2017 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 4, 2016 | Oct 1, 2016 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 5, 2016 | Jul 1, 2016 | 000-25464 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2016 | May 5, 2016 | 000-25464 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2014 | Mar 15, 2014 | 001-07898 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2014 | Mar 1, 2014 | 001-07898 |