Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000860413-19-000149-index-headers.html | 2019-10-30 15:43:50 | |
| 0000860413-19-000149-index.html | 2019-10-30 15:43:50 | |
| 0000860413-19-000149.txt | 2019-10-30 15:43:50 | |
 0000860413-19-000149-xbrl.zip | 14619 | 2019-10-30 15:43:50 |
| ex991-dividenddeclarat.htm | 7108 | 2019-10-30 15:43:50 |
 fibbancsyst2line4ca18.jpg | 223148 | 2019-10-30 15:43:50 |
| fibk-20191030.xsd | 4557 | 2019-10-30 15:43:50 |
| fibk-20191030x8k.htm | 48594 | 2019-10-30 15:43:50 |
| fibk-20191030x8k_htm.xml | 4364 | 2019-10-30 15:43:50 |
| fibk-20191030_cal.xml | 600 | 2019-10-30 15:43:50 |
| fibk-20191030_def.xml | 1450 | 2019-10-30 15:43:50 |
| fibk-20191030_lab.xml | 26142 | 2019-10-30 15:43:50 |
| fibk-20191030_pre.xml | 13556 | 2019-10-30 15:43:50 |
| FilingSummary.xml | 1726 | 2019-10-30 15:43:50 |
| Financial_Report.xlsx | 5791 | 2019-10-30 15:43:50 |
| MetaLinks.json | 18144 | 2019-10-30 15:43:50 |
| R1.htm | 38612 | 2019-10-30 15:43:50 |
| report.css | 2767 | 2019-10-30 15:43:50 |
| Show.js | 1085 | 2019-10-30 15:43:50 |