Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-24-048290-index-headers.html | 2024-04-25 16:06:11 | |
| 0000950170-24-048290-index.html | 2024-04-25 16:06:11 | |
| 0000950170-24-048290.txt | 2024-04-25 16:06:11 | |
 0000950170-24-048290-xbrl.zip | 41070 | 2024-04-25 16:06:11 |
| FilingSummary.xml | 1665 | 2024-04-25 16:06:11 |
| Financial_Report.xlsx | 5748 | 2024-04-25 16:06:11 |
| fisi-20240331.htm | 49681 | 2024-04-25 16:06:11 |
| fisi-20240331.xsd | 25037 | 2024-04-25 16:06:11 |
| fisi-20240331_htm.xml | 4750 | 2024-04-25 16:06:11 |
| fisi-ex99_1.htm | 1230061 | 2024-04-25 16:06:11 |
 img145321324_0.jpg | 950180 | 2024-04-25 16:06:11 |
| MetaLinks.json | 17986 | 2024-04-25 16:06:11 |
| R1.htm | 39717 | 2024-04-25 16:06:11 |
| report.css | 2766 | 2024-04-25 16:06:11 |
| Show.js | 1084 | 2024-04-25 16:06:11 |