| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/01/19 | 10-K/A | Annual report pursuant to Section 13 and 15(d) |
|
8 | |
| 02/27/19 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
 |
124 |
| 03/16/18 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
|
116 |