| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/22/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/22/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/22/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/22/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/22/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/14/16 | DEF 14A | Definitive proxy statements | 
       
   | 
  46 | |
| 03/04/16 | 497 | Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497 | 
       
   | 
  266 | |
| 03/04/16 | POS EX | Post-effective amendment filed solely to add exhibits to a registration statement | 
       
   | 
  9 | |
| 03/01/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/01/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 

