Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000860413-19-000172-index-headers.html | 2019-11-15 13:09:56 | |
| 0000860413-19-000172-index.html | 2019-11-15 13:09:56 | |
| 0000860413-19-000172.txt | 2019-11-15 13:09:56 | |
 0000860413-19-000172-xbrl.zip | 15273 | 2019-11-15 13:09:56 |
| ex991-rscott.htm | 9206 | 2019-11-15 13:09:56 |
| fibk-20191115.xsd | 4557 | 2019-11-15 13:09:56 |
| fibk-20191115x8k.htm | 48395 | 2019-11-15 13:09:56 |
| fibk-20191115x8k_htm.xml | 4189 | 2019-11-15 13:09:56 |
| fibk-20191115_cal.xml | 600 | 2019-11-15 13:09:56 |
| fibk-20191115_def.xml | 1450 | 2019-11-15 13:09:56 |
| fibk-20191115_lab.xml | 26142 | 2019-11-15 13:09:56 |
| fibk-20191115_pre.xml | 13556 | 2019-11-15 13:09:56 |
 fibslogolockup2lineltbkgdrgb.jpg | 165531 | 2019-11-15 13:09:56 |
| FilingSummary.xml | 1716 | 2019-11-15 13:09:56 |
| Financial_Report.xlsx | 5791 | 2019-11-15 13:09:56 |
| MetaLinks.json | 18134 | 2019-11-15 13:09:56 |
| R1.htm | 38612 | 2019-11-15 13:09:56 |
| report.css | 2767 | 2019-11-15 13:09:56 |
| Show.js | 1085 | 2019-11-15 13:09:56 |