| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/12/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 03/12/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 03/05/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 03/05/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 03/05/20 | Initial statement of beneficial ownership of securities | 
       
   | 
  3 | ||
| 03/04/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 03/04/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 02/28/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 02/27/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 02/26/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | 
