Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000868671-20-000003-index-headers.html | 2020-01-23 16:51:30 | |
| 0000868671-20-000003-index.html | 2020-01-23 16:51:30 | |
| 0000868671-20-000003.txt | 2020-01-23 16:51:30 | |
 0000868671-20-000003-xbrl.zip | 72059 | 2020-01-23 16:51:30 |
| FilingSummary.xml | 1743 | 2020-01-23 16:51:30 |
| Financial_Report.xlsx | 5779 | 2020-01-23 16:51:30 |
| gbci-12312019xex991.htm | 1873003 | 2020-01-23 16:51:30 |
| gbci-20200123.htm | 40812 | 2020-01-23 16:51:30 |
| gbci-20200123.xsd | 2595 | 2020-01-23 16:51:30 |
| gbci-20200123_cal.xml | 734 | 2020-01-23 16:51:30 |
| gbci-20200123_def.xml | 1698 | 2020-01-23 16:51:30 |
| gbci-20200123_htm.xml | 10850 | 2020-01-23 16:51:30 |
| gbci-20200123_lab.xml | 24265 | 2020-01-23 16:51:30 |
| gbci-20200123_pre.xml | 12670 | 2020-01-23 16:51:30 |
 gbcilogostatesmay20191.jpg | 115986 | 2020-01-23 16:51:30 |
| MetaLinks.json | 18149 | 2020-01-23 16:51:30 |
| R1.htm | 38595 | 2020-01-23 16:51:30 |
| report.css | 2767 | 2020-01-23 16:51:30 |
| Show.js | 1085 | 2020-01-23 16:51:30 |