| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/06/20 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 
       
   | 
  6 | ||
| 05/05/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 05/05/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 04/29/20 | Current report filing | 
       
   | 
  
                  | 
  16 | |
| 04/29/20 | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                  | 
  68 | |
| 04/27/20 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
       
   | 
  5 | ||
| 04/27/20 | Definitive proxy statements | 
       
   | 
  71 | ||
| 04/17/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 04/17/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 04/17/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 

