| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/10/18 | Current report filing | 
       
   | 
  10 | ||
| 05/10/18 | Filing under Securities Act Rules 163/433 of free writing prospectuses | 
       
   | 
  31 | ||
| 05/01/18 | Preliminary information statement not related to a contested matter or merger/acquisition | 
       
   | 
  13 | ||
| 04/30/18 | Annual report pursuant to Section 13 and 15(d) | 
       
   | 
  21 | ||
| 04/27/18 | Current report filing | 
       
   | 
  2 | ||
| 04/09/18 | Filing under Securities Act Rules 163/433 of free writing prospectuses | 
       
   | 
  15 | ||
| 04/09/18 | Current report filing | 
       
   | 
  31 | ||
| 04/06/18 | Current report filing | 
       
   | 
  75 | ||
| 03/28/18 | Current report filing | 
       
   | 
  9 | ||
| 03/23/18 | Current report filing | 
       
   | 
  3 | 
