| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/25/20 | DEF 14A | Form DEF 14A: Definitive proxy statements |  | 100 | |
| 11/27/19 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material |  | 5 | |
| 11/27/19 | DEF 14A | Form DEF 14A: Definitive proxy statements |  | 99 | |
| 11/21/18 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material |  | 5 | |
| 11/21/18 | DEF 14A | Form DEF 14A: Definitive proxy statements |  | 96 | |
| 11/22/17 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material |  | 5 | |
| 11/22/17 | DEF 14A | Form DEF 14A: Definitive proxy statements |  | 102 | |
| 11/23/16 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material |  | 5 | |
| 11/23/16 | DEF 14A | Form DEF 14A: Definitive proxy statements |  | 101 | |
| 11/25/15 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material |  | 5 | 
