| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2021 | Jun 1, 2021 | 001-37483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 14, 2020 | Dec 10, 2020 | 001-37483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 9, 2020 | Dec 7, 2020 | 001-37483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 12, 2019 | Dec 10, 2019 | 001-37483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 10, 2019 | Dec 7, 2019 | 001-37483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 12, 2018 | Dec 10, 2018 | 001-37483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 11, 2018 | Dec 7, 2018 | 001-37483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 6, 2018 | Nov 6, 2018 | 001-37483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 16, 2018 | Aug 15, 2018 | 001-37483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 5, 2018 | Jun 1, 2018 | 001-37483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2018 | May 18, 2018 | 001-37483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 15, 2018 | Mar 15, 2018 | 001-37483 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2018 | Feb 23, 2018 | 001-37483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2015 | May 18, 2015 | 001-33347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2015 | Mar 16, 2015 | 001-33347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 17, 2014 | Dec 15, 2014 | 001-33347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 5, 2014 | Nov 3, 2014 | 001-33347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 3, 2014 | Oct 1, 2014 | 001-33347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 16, 2014 | Sep 12, 2014 | 001-33347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 4, 2014 | Sep 2, 2014 | 001-33347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 21, 2014 | Aug 19, 2014 | 001-33347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 17, 2014 | Jun 15, 2014 | 001-33347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2014 | May 1, 2014 | 001-33347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 17, 2014 | Apr 15, 2014 | 001-33347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2014 | Mar 14, 2014 | 001-33347 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2014 | Feb 28, 2014 | 001-33347 |