| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2025 | Dec 31, 2024 | 811-23940 |
| 4 | Open Document | Open Filing | Mar 10, 2017 | Mar 3, 2017 | 001-36909 | |
| 4 | Open Document | Open Filing | Sep 25, 2015 | Sep 18, 2015 | 001-36909 | |
| 4 | Open Document | Open Filing | Jul 16, 2015 | Jul 15, 2015 | 001-36909 | |
| 4 | Open Document | Open Filing | Apr 13, 2015 | Oct 28, 2014 | 001-36909 | |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 10, 2014 | May 28, 2014 | 000-31104 |