| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/31/14 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/31/14 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/31/14 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/31/14 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/31/14 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/31/14 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/31/14 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/31/14 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/21/14 | ARS | Annual report to security holders | 
       
   | 
  0 | |
| 03/21/14 | DEF 14A | Definitive proxy statements | 
       
   | 
  72 | 

