Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-023912-index-headers.html | 2023-05-24 16:07:36 | |
| 0000950170-23-023912-index.html | 2023-05-24 16:07:36 | |
| 0000950170-23-023912.txt | 2023-05-24 16:07:36 | |
 0000950170-23-023912-xbrl.zip | 10722 | 2023-05-24 16:07:36 |
| FilingSummary.xml | 1739 | 2023-05-24 16:07:36 |
| Financial_Report.xlsx | 5755 | 2023-05-24 16:07:36 |
| fisi-20230524.htm | 68054 | 2023-05-24 16:07:36 |
| fisi-20230524.xsd | 2472 | 2023-05-24 16:07:36 |
| fisi-20230524_htm.xml | 4750 | 2023-05-24 16:07:36 |
| fisi-20230524_lab.xml | 13474 | 2023-05-24 16:07:36 |
| fisi-20230524_pre.xml | 9902 | 2023-05-24 16:07:36 |
| fisi-ex99_1.htm | 7924 | 2023-05-24 16:07:36 |
 img145321324_0.jpg | 19719 | 2023-05-24 16:07:36 |
| MetaLinks.json | 18099 | 2023-05-24 16:07:36 |
| R1.htm | 39720 | 2023-05-24 16:07:36 |
| report.css | 2767 | 2023-05-24 16:07:36 |
| Show.js | 1085 | 2023-05-24 16:07:36 |