Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000862831-26-000002-index-headers.html | 2026-05-21 16:06:16 | |
| 0000862831-26-000002-index.html | 2026-05-21 16:06:16 | |
| 0000862831-26-000002.txt | 2026-05-21 16:06:16 | |
 0000862831-26-000002-xbrl.zip | 257112 | 2026-05-21 16:06:16 |
| FilingSummary.xml | 1724 | 2026-05-21 16:06:16 |
| fisi-20260520.htm | 89592 | 2026-05-21 16:06:16 |
| fisi-20260520.xsd | 25063 | 2026-05-21 16:06:16 |
| fisi-20260520_htm.xml | 4750 | 2026-05-21 16:06:16 |
 img90062188_0.jpg | 323901 | 2026-05-21 16:06:16 |
| MetaLinks.json | 18194 | 2026-05-21 16:06:16 |
| R1.htm | 39696 | 2026-05-21 16:06:16 |
| report.css | 2766 | 2026-05-21 16:06:16 |
| Show.js | 1084 | 2026-05-21 16:06:16 |