| Date | Form | Description | XBRL | Pages | 
|---|---|---|---|---|
| 10/12/21 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) |  | 71 | 
| 10/19/20 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) |  | 127 | 
| 11/26/19 | 10-K/A | Form 10-K/A: Annual report pursuant to Section 13 and 15(d) | 47 | |
| 10/15/19 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) |  | 102 | 
| 10/15/18 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) |  | 164 | 
| 09/27/17 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) |  | 101 | 
| 10/13/16 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) |  | 123 | 
| 12/15/15 | ARS | Form ARS: Annual report to security holders | 1 | |
| 11/27/15 | 10-K/A | Form 10-K/A: Annual report pursuant to Section 13 and 15(d) | 37 | |
| 10/13/15 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) |  | 102 | 
