| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/03/17 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 04/03/17 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 04/03/17 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 03/30/17 | 8-K | Current report filing |   | 8 | |
| 03/16/17 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |   | 5 | |
| 03/16/17 | DEF 14A | Definitive proxy statements |   | 65 | |
| 03/01/17 | 10-K | Annual report pursuant to Section 13 and 15(d) |   |       | 112 | 
| 02/24/17 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 02/24/17 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 02/24/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | 
