Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-055607-index-headers.html | 2023-10-26 16:09:59 | |
| 0000950170-23-055607-index.html | 2023-10-26 16:09:59 | |
| 0000950170-23-055607.txt | 2023-10-26 16:09:59 | |
 0000950170-23-055607-xbrl.zip | 54687 | 2023-10-26 16:09:59 |
| FilingSummary.xml | 1739 | 2023-10-26 16:09:59 |
| Financial_Report.xlsx | 5754 | 2023-10-26 16:09:59 |
| fisi-20231026.htm | 59680 | 2023-10-26 16:09:59 |
| fisi-20231026.xsd | 2472 | 2023-10-26 16:09:59 |
| fisi-20231026_htm.xml | 4750 | 2023-10-26 16:09:59 |
| fisi-20231026_lab.xml | 13474 | 2023-10-26 16:09:59 |
| fisi-20231026_pre.xml | 9902 | 2023-10-26 16:09:59 |
| fisi-ex99_1.htm | 2207589 | 2023-10-26 16:09:59 |
 img145321324_0.jpg | 950180 | 2023-10-26 16:09:59 |
| MetaLinks.json | 18159 | 2023-10-26 16:09:59 |
| R1.htm | 39722 | 2023-10-26 16:09:59 |
| report.css | 2767 | 2023-10-26 16:09:59 |
| Show.js | 1085 | 2023-10-26 16:09:59 |