| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/21/21 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 05/21/21 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 05/21/21 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 05/21/21 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 05/21/21 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | ||
| 02/16/21 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 02/16/21 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 02/16/21 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 02/16/21 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 02/16/21 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 
