Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950103-21-020141-index-headers.html | 2021-12-22 19:47:27 | |
| 0000950103-21-020141-index.html | 2021-12-22 19:47:27 | |
| 0000950103-21-020141.txt | 2021-12-22 19:47:27 | |
 0000950103-21-020141-xbrl.zip | 20972 | 2021-12-22 19:47:27 |
| dp164067_8k.htm | 39738 | 2021-12-22 19:47:27 |
| dp164067_8k_htm.xml | 3516 | 2021-12-22 19:47:27 |
| dp164067_ex9901.htm | 25775 | 2021-12-22 19:47:27 |
| fibk-20211222.xsd | 3013 | 2021-12-22 19:47:27 |
| fibk-20211222_lab.xml | 34240 | 2021-12-22 19:47:27 |
| fibk-20211222_pre.xml | 22351 | 2021-12-22 19:47:27 |
| FilingSummary.xml | 1619 | 2021-12-22 19:47:27 |
| Financial_Report.xlsx | 5674 | 2021-12-22 19:47:27 |
 image_001.jpg | 5196 | 2021-12-22 19:47:27 |
 image_002.jpg | 6455 | 2021-12-22 19:47:27 |
| MetaLinks.json | 37516 | 2021-12-22 19:47:27 |
| R1.htm | 38578 | 2021-12-22 19:47:27 |
| report.css | 2767 | 2021-12-22 19:47:27 |
| Show.js | 1085 | 2021-12-22 19:47:27 |