Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-25-009190-index-headers.html | 2025-01-27 16:06:08 | |
| 0000950170-25-009190-index.html | 2025-01-27 16:06:08 | |
| 0000950170-25-009190.txt | 2025-01-27 16:06:08 | |
 0000950170-25-009190-xbrl.zip | 259805 | 2025-01-27 16:06:08 |
| FilingSummary.xml | 1724 | 2025-01-27 16:06:08 |
| Financial_Report.xlsx | 5748 | 2025-01-27 16:06:08 |
| fisi-20250122.htm | 54360 | 2025-01-27 16:06:08 |
| fisi-20250122.xsd | 25063 | 2025-01-27 16:06:08 |
| fisi-20250122_htm.xml | 4750 | 2025-01-27 16:06:08 |
| fisi-ex99_1.htm | 15163 | 2025-01-27 16:06:08 |
 img145321324_0.jpg | 323901 | 2025-01-27 16:06:08 |
 img40779126_0.jpg | 323901 | 2025-01-27 16:06:08 |
| MetaLinks.json | 18164 | 2025-01-27 16:06:08 |
| R1.htm | 39712 | 2025-01-27 16:06:08 |
| report.css | 2767 | 2025-01-27 16:06:08 |
| Show.js | 1084 | 2025-01-27 16:06:08 |