| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/29/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/29/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/29/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/11/20 | FWP | Filing under Securities Act Rules 163/433 of free writing prospectuses | 
       
   | 
  88 | |
| 05/08/20 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  145 | |
| 05/07/20 | 8-K | Current report filing | 
       
   | 
  9 | |
| 05/06/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/06/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/06/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/06/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 

