| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/09/15 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
       
   | 
  4 | |
| 01/09/15 | DEF 14A | Definitive proxy statements | 
       
   | 
  37 | |
| 01/05/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 01/05/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 01/05/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 12/18/14 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 12/01/14 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 11/26/14 | 10-K | Annual report pursuant to Section 13 and 15(d) | 
       
   | 
  
                                            | 
  59 | 
| 11/26/14 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 11/26/14 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 




