Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-035138-index-headers.html | 2023-07-27 16:09:36 | |
| 0000950170-23-035138-index.html | 2023-07-27 16:09:36 | |
| 0000950170-23-035138.txt | 2023-07-27 16:09:36 | |
 0000950170-23-035138-xbrl.zip | 59414 | 2023-07-27 16:09:36 |
| FilingSummary.xml | 1739 | 2023-07-27 16:09:36 |
| Financial_Report.xlsx | 5756 | 2023-07-27 16:09:36 |
| fisi-20230727.htm | 70244 | 2023-07-27 16:09:36 |
| fisi-20230727.xsd | 2472 | 2023-07-27 16:09:36 |
| fisi-20230727_htm.xml | 4750 | 2023-07-27 16:09:36 |
| fisi-20230727_lab.xml | 13474 | 2023-07-27 16:09:36 |
| fisi-20230727_pre.xml | 9902 | 2023-07-27 16:09:36 |
| fisi-ex99_1.htm | 2620314 | 2023-07-27 16:09:36 |
 img145321324_0.jpg | 950180 | 2023-07-27 16:09:36 |
| MetaLinks.json | 18099 | 2023-07-27 16:09:36 |
| R1.htm | 39722 | 2023-07-27 16:09:36 |
| report.css | 2767 | 2023-07-27 16:09:36 |
| Show.js | 1085 | 2023-07-27 16:09:36 |