| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/20/18 | 8-K | Form 8-K: Current report filing | 3 | |
| 04/17/18 | 10-K/A | Form 10-K/A: Annual report pursuant to Section 13 and 15(d) | 12 | |
| 04/04/18 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 6 | |
| 04/04/18 | DEF 14A | Form DEF 14A: Definitive proxy statements | 66 | |
| 04/03/18 | 8-K | Form 8-K: Current report filing | 28 | |
| 03/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/14/18 | S-3ASR | Form S-3ASR: Automatic shelf registration statement of securities of well-known seasoned issuers | 148 | |
| 03/05/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |