Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000868671-23-000055-index-headers.html | 2023-03-15 16:32:45 | |
| 0000868671-23-000055-index.html | 2023-03-15 16:32:45 | |
| 0000868671-23-000055.txt | 2023-03-15 16:32:45 | |
 0000868671-23-000055-xbrl.zip | 354328 | 2023-03-15 16:32:45 |
| FilingSummary.xml | 2587 | 2023-03-15 16:32:45 |
| Financial_Report.xlsx | 10833 | 2023-03-15 16:32:45 |
| gbci-20230315.htm | 922250 | 2023-03-15 16:32:45 |
| gbci-20230315.xsd | 4526 | 2023-03-15 16:32:45 |
| gbci-20230315_def.xml | 6102 | 2023-03-15 16:32:45 |
 gbci-20230315_g1.jpg | 46103 | 2023-03-15 16:32:45 |
 gbci-20230315_g2.jpg | 40680 | 2023-03-15 16:32:45 |
 gbci-20230315_g3.jpg | 40219 | 2023-03-15 16:32:45 |
 gbci-20230315_g4.jpg | 39502 | 2023-03-15 16:32:45 |
 gbci-20230315_g5.jpg | 33777 | 2023-03-15 16:32:45 |
 gbci-20230315_g6.jpg | 105643 | 2023-03-15 16:32:45 |
 gbci-20230315_g7.jpg | 53803 | 2023-03-15 16:32:45 |
| gbci-20230315_htm.xml | 130952 | 2023-03-15 16:32:45 |
| gbci-20230315_lab.xml | 9539 | 2023-03-15 16:32:45 |
| gbci-20230315_pre.xml | 5699 | 2023-03-15 16:32:45 |
| MetaLinks.json | 150290 | 2023-03-15 16:32:45 |
| R1.htm | 10844 | 2023-03-15 16:32:45 |
| R2.htm | 157885 | 2023-03-15 16:32:45 |
| report.css | 2767 | 2023-03-15 16:32:45 |
| Show.js | 1085 | 2023-03-15 16:32:45 |