| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/02/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | |
| 11/02/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | |
| 11/02/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | |
| 11/02/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | |
| 09/15/20 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
       
   | 
  5 | |
| 09/15/20 | DEF 14A | Definitive proxy statements | 
       
   | 
  87 | |
| 08/26/20 | 10-K | Annual report pursuant to Section 13 and 15(d) | 
       
   | 
  
                                            | 
  158 | 
| 08/11/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | |
| 08/11/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | |
| 08/11/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | 




