| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/03/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 01/03/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 01/03/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 01/03/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 01/03/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 01/03/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 01/03/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 01/03/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 01/03/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 01/03/19 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
       
   | 
  6 | 
