| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/01/16 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 04/01/16 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 03/23/16 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 03/23/16 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |   | 5 | ||
| 03/23/16 | Definitive proxy statements |   | 98 | ||
| 03/10/16 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 03/10/16 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 03/10/16 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 03/10/16 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 03/10/16 | Statement of changes in beneficial ownership of securities |   | 2 |