| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | 3 | Jan 10, 2024 | Jan 1, 2024 | 001-16715 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2021 | Mar 1, 2021 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2021 | Feb 15, 2021 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2021 | Feb 12, 2021 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2020 | Mar 1, 2020 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2020 | Feb 15, 2020 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2020 | Feb 14, 2020 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 20, 2019 | Feb 15, 2019 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 15, 2019 | Feb 15, 2019 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 20, 2018 | Feb 15, 2018 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 16, 2018 | Feb 15, 2018 | 001-06523 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2017 | Feb 15, 2017 | 001-06523 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 11, 2016 | Jan 1, 2016 | 001-06523 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 19, 2015 | Jun 18, 2015 | 001-03950 |
| 4 | Open Document | Open Filing | 4 | Jun 10, 2015 | Jun 8, 2015 | 001-36308 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 26, 2015 | Mar 24, 2015 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2015 | Mar 4, 2015 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 19, 2014 | Aug 18, 2014 | 001-03950 |
| 4 | Open Document | Open Filing | 4 | Jun 12, 2014 | Jun 10, 2014 | 001-36308 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 12, 2014 | May 8, 2014 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2014 | Mar 4, 2014 | 001-03950 |
| 4 | Open Document | Open Filing | 4 | Feb 14, 2014 | Feb 14, 2014 | 001-36308 |
| 3 | Open Document | Open Filing | 3 | Feb 11, 2014 | Feb 11, 2014 | 001-36308 |