| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 12, 2022 | Jan 5, 2022 | 001-39184 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2022 | Dec 31, 2021 | 001-39184 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 1, 2021 | Sep 30, 2021 | 001-39184 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 30, 2021 | Jun 30, 2021 | 001-39184 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 1, 2021 | Mar 31, 2021 | 001-39184 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2021 | Dec 31, 2020 | 001-39184 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 1, 2020 | Sep 30, 2020 | 001-39184 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 1, 2020 | Jun 30, 2020 | 001-39184 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 31, 2020 | Mar 31, 2020 | 001-39184 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2020 | Dec 31, 2019 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 9, 2019 | Oct 1, 2019 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 1, 2019 | Sep 30, 2019 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 1, 2019 | Jun 28, 2019 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 2, 2019 | Apr 1, 2019 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 2, 2019 | Dec 31, 2018 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 1, 2018 | Sep 28, 2018 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 5, 2018 | Jun 29, 2018 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 29, 2018 | Mar 29, 2018 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 2, 2018 | Dec 29, 2017 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2017 | Sep 29, 2017 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 30, 2017 | Jun 30, 2017 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 31, 2017 | Mar 31, 2017 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2017 | Dec 31, 2016 | 000-27163 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 3, 2016 | Sep 30, 2016 | 000-27163 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 12, 2016 | Jul 8, 2016 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 5, 2016 | Apr 1, 2016 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2016 | Dec 31, 2015 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2015 | Sep 30, 2015 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2015 | Jun 30, 2015 | 000-27163 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 1, 2015 | Mar 31, 2015 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 2, 2015 | Mar 31, 2015 | 000-27163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 13, 2015 | Jan 9, 2015 | 000-27163 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 16, 2014 | Sep 6, 2014 | 000-27163 |