| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/24/18 | DEF 14A | Form DEF 14A: Definitive proxy statements | 49 | |
| 03/01/18 | 10-K | Form 10-K: Annual report [Section 13 and 15(d), not S-K Item 405] |
|
107 |
| 03/01/18 | 8-K | Form 8-K: Current report | 22 | |
| 02/23/18 | S-8 POS | Form S-8 POS: Post-effective amendment to a S-8 registration statement | 2 | |
| 02/23/18 | S-8 POS | Form S-8 POS: Post-effective amendment to a S-8 registration statement | 2 | |
| 02/23/18 | S-8 POS | Form S-8 POS: Post-effective amendment to a S-8 registration statement | 2 | |
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/14/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |