| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2022 | Feb 2, 2022 | 001-36605 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2021 | Feb 3, 2021 | 001-36605 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2020 | Jan 29, 2020 | 001-36605 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 30, 2020 | Jan 29, 2020 | 001-36605 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2019 | Jan 30, 2019 | 001-36605 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2018 | Jan 31, 2018 | 001-36605 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 26, 2017 | Jan 25, 2017 | 001-36605 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 26, 2017 | Jan 25, 2017 | 001-36605 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 28, 2016 | Jan 27, 2016 | 001-36605 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 29, 2015 | Jul 27, 2015 | 001-36605 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2015 | Apr 29, 2015 | 001-36605 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2015 | Feb 18, 2015 | 001-36769 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2015 | Feb 17, 2015 | 001-36605 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2015 | Feb 1, 2015 | 001-36769 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2015 | Jan 30, 2015 | 001-36605 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 6, 2015 | Feb 4, 2015 | 001-36605 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2015 | Jan 30, 2015 | 001-36605 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2015 | Feb 1, 2015 | 001-36769 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 9, 2015 | Jan 9, 2015 | 001-36605 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 26, 2014 | Sep 24, 2014 | 000-17554 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 28, 2014 | Jul 24, 2014 | 000-17554 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 6, 2014 | Feb 5, 2014 | 000-17554 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 24, 2014 | Jan 22, 2014 | 000-17554 |