Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000875357-21-000004-index-headers.html | 2021-01-20 08:06:19 | |
| 0000875357-21-000004-index.html | 2021-01-20 08:06:19 | |
| 0000875357-21-000004.txt | 2021-01-20 08:06:19 | |
 0000875357-21-000004-xbrl.zip | 56654 | 2021-01-20 08:06:19 |
| a20201231bokfex99.htm | 1058210 | 2021-01-20 08:06:19 |
| bokf-20210120.htm | 32712 | 2021-01-20 08:06:19 |
| bokf-20210120.xsd | 2732 | 2021-01-20 08:06:19 |
| bokf-20210120_cal.xml | 795 | 2021-01-20 08:06:19 |
| bokf-20210120_def.xml | 1759 | 2021-01-20 08:06:19 |
| bokf-20210120_htm.xml | 9265 | 2021-01-20 08:06:19 |
| bokf-20210120_lab.xml | 21715 | 2021-01-20 08:06:19 |
| bokf-20210120_pre.xml | 11125 | 2021-01-20 08:06:19 |
| FilingSummary.xml | 1813 | 2021-01-20 08:06:19 |
| Financial_Report.xlsx | 5362 | 2021-01-20 08:06:19 |
 image1a.jpg | 9072 | 2021-01-20 08:06:19 |
| MetaLinks.json | 16183 | 2021-01-20 08:06:19 |
| R1.htm | 33841 | 2021-01-20 08:06:19 |
| report.css | 2767 | 2021-01-20 08:06:19 |
| Show.js | 1085 | 2021-01-20 08:06:19 |