| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/25/16 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
     PDF   
   | 
  4 | ||
| 03/23/16 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
     PDF   
   | 
  5 | ||
| 03/23/16 | Definitive proxy statements | 
     PDF   
   | 
  119 | ||
| 03/15/16 | Current report filing | 
     PDF   
   | 
  5 | ||
| 03/11/16 | Current report filing | 
     PDF   
   | 
  32 | ||
| 02/25/16 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 02/19/16 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 02/19/16 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 02/17/16 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 02/17/16 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  2 |