Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950103-22-000391-index-headers.html | 2022-01-10 17:31:02 | |
| 0000950103-22-000391-index.html | 2022-01-10 17:31:02 | |
| 0000950103-22-000391.txt | 2022-01-10 17:31:02 | |
 0000950103-22-000391-xbrl.zip | 28490 | 2022-01-10 17:31:02 |
| dp164981_8k.htm | 210127 | 2022-01-10 17:31:02 |
| dp164981_8k_htm.xml | 3518 | 2022-01-10 17:31:02 |
| fibk-20220110.xsd | 3021 | 2022-01-10 17:31:02 |
| fibk-20220110_lab.xml | 34476 | 2022-01-10 17:31:02 |
| fibk-20220110_pre.xml | 22587 | 2022-01-10 17:31:02 |
| FilingSummary.xml | 1584 | 2022-01-10 17:31:02 |
| Financial_Report.xlsx | 5675 | 2022-01-10 17:31:02 |
| MetaLinks.json | 37749 | 2022-01-10 17:31:02 |
| R1.htm | 38570 | 2022-01-10 17:31:02 |
| report.css | 2766 | 2022-01-10 17:31:02 |
| Show.js | 1084 | 2022-01-10 17:31:02 |