Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001140361-23-024278-index.html | 2023-05-12 08:57:21 | |
| 0001140361-23-024278.txt | 2023-05-12 08:57:21 | |
 0001140361-23-024278-xbrl.zip | 373234 | 2023-05-12 08:57:21 |
| FilingSummary.xml | 1755 | 2023-05-12 08:57:21 |
| Financial_Report.xlsx | 5730 | 2023-05-12 08:57:21 |
 logo_kniferiver.jpg | 48170 | 2023-05-12 08:57:21 |
 logo_mdu.jpg | 30680 | 2023-05-12 08:57:21 |
| mdu-20230510.xsd | 3847 | 2023-05-12 08:57:21 |
| mdu-20230510_lab.xml | 22546 | 2023-05-12 08:57:21 |
| mdu-20230510_pre.xml | 16033 | 2023-05-12 08:57:21 |
| MetaLinks.json | 20359 | 2023-05-12 08:57:21 |
| ny20008720x1_8k.htm | 29322 | 2023-05-12 08:57:21 |
| ny20008720x1_8k_htm.xml | 4236 | 2023-05-12 08:57:21 |
| ny20008720x1_ex99-1.htm | 5062472 | 2023-05-12 08:57:21 |
| ny20008720x1_ex99-2.htm | 9008 | 2023-05-12 08:57:21 |
 ny20008720x1_ex99-2img01.jpg | 83718 | 2023-05-12 08:57:21 |
 ny20008720x1_map01.jpg | 266409 | 2023-05-12 08:57:21 |
 ny20008720x1_map02.jpg | 164324 | 2023-05-12 08:57:21 |
| R1.htm | 39642 | 2023-05-12 08:57:21 |
| report.css | 2767 | 2023-05-12 08:57:21 |
| Show.js | 1085 | 2023-05-12 08:57:21 |
 sig_briangray.jpg | 14860 | 2023-05-12 08:57:21 |
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