Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000868671-24-000051-index-headers.html | 2024-03-15 16:42:55 | |
| 0000868671-24-000051-index.html | 2024-03-15 16:42:55 | |
| 0000868671-24-000051.txt | 2024-03-15 16:42:55 | |
 0000868671-24-000051-xbrl.zip | 875331 | 2024-03-15 16:42:55 |
| FilingSummary.xml | 2616 | 2024-03-15 16:42:55 |
| gbci-20240315.htm | 835577 | 2024-03-15 16:42:55 |
| gbci-20240315.xsd | 5005 | 2024-03-15 16:42:55 |
| gbci-20240315_def.xml | 6637 | 2024-03-15 16:42:55 |
 gbci-20240315_g1.jpg | 17696 | 2024-03-15 16:42:55 |
 gbci-20240315_g2.jpg | 17322 | 2024-03-15 16:42:55 |
 gbci-20240315_g3.jpg | 354536 | 2024-03-15 16:42:55 |
 gbci-20240315_g4.jpg | 275433 | 2024-03-15 16:42:55 |
 gbci-20240315_g5.jpg | 312964 | 2024-03-15 16:42:55 |
 gbci-20240315_g6.jpg | 91197 | 2024-03-15 16:42:55 |
 gbci-20240315_g7.jpg | 79710 | 2024-03-15 16:42:55 |
| gbci-20240315_htm.xml | 74685 | 2024-03-15 16:42:55 |
| gbci-20240315_lab.xml | 9934 | 2024-03-15 16:42:55 |
| gbci-20240315_pre.xml | 6211 | 2024-03-15 16:42:55 |
| MetaLinks.json | 185564 | 2024-03-15 16:42:55 |
| R1.htm | 10846 | 2024-03-15 16:42:55 |
| R2.htm | 145170 | 2024-03-15 16:42:55 |
| report.css | 2767 | 2024-03-15 16:42:55 |
| Show.js | 1085 | 2024-03-15 16:42:55 |