| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/15/15 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
       
   | 
  5 | |
| 06/15/15 | DEF 14A | Definitive proxy statements | 
       
   | 
  61 | |
| 06/15/15 | 8-K | Current report filing | 
       
   | 
  23 | |
| 06/05/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 06/02/15 | 8-K | Current report filing | 
       
   | 
  13 | |
| 06/02/15 | 10-K | Annual report pursuant to Section 13 and 15(d) | 
       
   | 
  
                                | 
  98 | 
| 06/01/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 06/01/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 06/01/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 06/01/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 



