| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/16/18 | DEF 14A | Form DEF 14A: Definitive proxy statements | 62 | |
| 03/08/18 | 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 | |
| 03/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/27/18 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) |
|
99 |
| 02/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/14/18 | SC 13G/A | Form SC 13G/A: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 10 |