Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000860413-20-000183-index-headers.html | 2020-07-27 16:17:32 | |
| 0000860413-20-000183-index.html | 2020-07-27 16:17:32 | |
| 0000860413-20-000183.txt | 2020-07-27 16:17:32 | |
 0000860413-20-000183-xbrl.zip | 46921 | 2020-07-27 16:17:32 |
| fibk-20200630.xsd | 4419 | 2020-07-27 16:17:32 |
| fibk-20200630x8kpr.htm | 873451 | 2020-07-27 16:17:32 |
| fibk-20200630_cal.xml | 600 | 2020-07-27 16:17:32 |
| fibk-20200630_def.xml | 1450 | 2020-07-27 16:17:32 |
| fibk-20200630_lab.xml | 26142 | 2020-07-27 16:17:32 |
| fibk-20200630_pre.xml | 13556 | 2020-07-27 16:17:32 |
| fibk-20200727x8k.htm | 50470 | 2020-07-27 16:17:32 |
| fibk-20200727x8k_htm.xml | 4344 | 2020-07-27 16:17:32 |
 fibslogo2linea03.jpg | 165531 | 2020-07-27 16:17:32 |
| FilingSummary.xml | 1722 | 2020-07-27 16:17:32 |
| Financial_Report.xlsx | 5450 | 2020-07-27 16:17:32 |
| MetaLinks.json | 18109 | 2020-07-27 16:17:32 |
| R1.htm | 38617 | 2020-07-27 16:17:32 |
| report.css | 2767 | 2020-07-27 16:17:32 |
| Show.js | 1085 | 2020-07-27 16:17:32 |