| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/25/00 | DEF 14A | Form DEF 14A: Definitive proxy statements | 12 | |
| 04/21/99 | DEF 14A | Form DEF 14A: Definitive proxy statements | 12 | |
| 06/04/98 | DEF 14A | Form DEF 14A: Definitive proxy statements | 13 | |
| 05/15/98 | PRE 14A | Form PRE 14A: Preliminary proxy statement not related to a contested matter or merger/acquisition | 13 |