| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/09/21 | DEFR14A | Definitive revised proxy soliciting materials | 
       
   | 
  3 | |
| 04/02/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/02/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/02/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/02/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/02/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/02/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/02/21 | DEF 14A | Definitive proxy statements | 
       
   | 
  85 | |
| 03/17/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/17/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 
