| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 09/20/18 | Current report filing | 12 | |||
| 08/14/18 | Quarterly report pursuant to Section 13 or 15(d) | XBRL ZIP | 46 | ||
| 08/14/18 | Current report filing | 10 | |||
| 06/18/18 | Current report filing | 4 | |||
| 05/15/18 | Current report filing | 11 | |||
| 05/15/18 | Quarterly report pursuant to Section 13 or 15(d) | XBRL ZIP | 47 | ||
| 05/10/18 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 4 | |||
| 05/01/18 | Annual report to security holders | 73 | |||
| 05/01/18 | Current report filing | 23 | |||
| 04/27/18 | Definitive proxy statements | 56 |