| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 07/14/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/14/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/14/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/09/20 | Initial registration statement for securities to be offered to employees pursuant to employee benefit plans | 
       
   | 
  17 | ||
| 06/23/20 | Current report filing | 
       
   | 
  
                  | 
  25 | |
| 06/19/20 | Current report filing | 
       
   | 
  
                  | 
  3 | |
| 06/15/20 | Current report filing | 
       
   | 
  
                  | 
  3 | |
| 06/04/20 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
       
   | 
  5 | ||
| 05/15/20 | Initial statement of beneficial ownership of securities | 
       
   | 
  3 | ||
| 05/12/20 | Current report filing | 
       
   | 
  
                  | 
  3 | 

