| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 23, 2023 | Mar 2, 2023 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 9, 2023 | Feb 2, 2023 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 31, 2023 | Jan 4, 2023 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 6, 2022 | Dec 1, 2022 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 2, 2022 | Nov 1, 2022 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 5, 2022 | Oct 3, 2022 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 2, 2022 | Sep 1, 2022 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 8, 2022 | Aug 2, 2022 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 11, 2022 | Jul 5, 2022 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 10, 2022 | Jun 2, 2022 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2022 | May 2, 2022 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 7, 2022 | Apr 4, 2022 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 10, 2022 | Mar 7, 2022 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2022 | Mar 2, 2022 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 9, 2022 | Feb 8, 2022 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 11, 2022 | Jan 3, 2022 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 2, 2021 | Dec 1, 2021 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 5, 2021 | Nov 4, 2021 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 5, 2021 | Oct 4, 2021 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 3, 2021 | Sep 2, 2021 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 6, 2021 | Aug 4, 2021 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 7, 2021 | Jul 6, 2021 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 8, 2021 | Jun 3, 2021 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2021 | May 4, 2021 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 7, 2021 | Apr 6, 2021 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2021 | Mar 4, 2021 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2021 | Feb 3, 2021 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 8, 2021 | Jan 7, 2021 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 3, 2020 | Dec 2, 2020 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 5, 2020 | Nov 3, 2020 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 8, 2020 | Oct 6, 2020 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 4, 2020 | Sep 3, 2020 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 5, 2020 | Aug 3, 2020 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 7, 2020 | Jul 6, 2020 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2020 | Jun 3, 2020 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2020 | May 5, 2020 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2020 | Apr 2, 2020 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2020 | Mar 4, 2020 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2020 | Feb 3, 2020 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2020 | Jan 3, 2020 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 5, 2019 | Dec 4, 2019 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 5, 2019 | Nov 5, 2019 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 4, 2019 | Oct 4, 2019 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 4, 2019 | Sep 4, 2019 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 8, 2019 | Aug 7, 2019 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2019 | Jul 2, 2019 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 4, 2019 | Jun 4, 2019 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2019 | May 2, 2019 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 4, 2019 | Apr 4, 2019 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2019 | Mar 5, 2019 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2019 | Feb 1, 2019 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2019 | Jan 3, 2019 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 3, 2018 | Dec 3, 2018 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 2, 2018 | Nov 2, 2018 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2018 | Oct 2, 2018 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 5, 2018 | Sep 5, 2018 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 1, 2018 | Aug 1, 2018 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 3, 2018 | Jul 3, 2018 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 30, 2018 | May 30, 2018 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2018 | May 2, 2018 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2018 | Apr 2, 2018 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2018 | Mar 1, 2018 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 31, 2018 | Jan 31, 2018 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 2, 2018 | Jan 2, 2018 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 4, 2017 | Dec 1, 2017 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 1, 2017 | Nov 1, 2017 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2017 | Oct 2, 2017 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 5, 2017 | Sep 1, 2017 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 1, 2017 | Aug 1, 2017 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 5, 2017 | Jul 3, 2017 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2017 | Jun 1, 2017 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2017 | May 1, 2017 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 4, 2017 | Apr 3, 2017 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2017 | Mar 1, 2017 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2017 | Feb 1, 2017 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2017 | Jan 3, 2017 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 1, 2016 | Dec 1, 2016 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 1, 2016 | Nov 1, 2016 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 3, 2016 | Oct 3, 2016 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 1, 2016 | Sep 1, 2016 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 2, 2016 | Aug 1, 2016 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 1, 2016 | Jul 1, 2016 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2016 | Jun 1, 2016 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2016 | May 2, 2016 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 31, 2016 | Mar 31, 2016 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2016 | Mar 1, 2016 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2016 | Feb 1, 2016 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 12, 2016 | Jul 1, 2015 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2015 | Jun 1, 2015 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 25, 2015 | Dec 3, 2014 | 000-13273 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 24, 2014 | Mar 20, 2014 | 000-13273 | 
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 24, 2014 | Jun 20, 2013 | 000-13273 |