| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/02/18 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 04/02/18 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 04/02/18 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 04/02/18 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 04/02/18 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 04/02/18 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 04/02/18 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 04/02/18 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 03/14/18 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |   | 6 | |
| 03/14/18 | DEF 14A | Definitive proxy statements |   | 63 | 
