Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000789933-24-000035-index-headers.html | 2024-05-01 16:49:36 | |
| 0000789933-24-000035-index.html | 2024-05-01 16:49:36 | |
| 0000789933-24-000035.txt | 2024-05-01 16:49:36 | |
 0000789933-24-000035-xbrl.zip | 156340 | 2024-05-01 16:49:36 |
| exhibit101-formltipawardag.htm | 19534 | 2024-05-01 16:49:36 |
| exhibit311q124.htm | 11165 | 2024-05-01 16:49:36 |
| exhibit312q124.htm | 10925 | 2024-05-01 16:49:36 |
| exhibit32q124.htm | 8649 | 2024-05-01 16:49:36 |
| exhibit95q124.htm | 91373 | 2024-05-01 16:49:36 |
| FilingSummary.xml | 21552 | 2024-05-01 16:49:36 |
| Financial_Report.xlsx | 54389 | 2024-05-01 16:49:36 |
 image_0.jpg | 49595 | 2024-05-01 16:49:36 |
 image_1.jpg | 35656 | 2024-05-01 16:49:36 |
| MetaLinks.json | 465382 | 2024-05-01 16:49:36 |
| nacco-20240331.htm | 907683 | 2024-05-01 16:49:36 |
| nacco-20240331.xsd | 25093 | 2024-05-01 16:49:36 |
| nacco-20240331_cal.xml | 46084 | 2024-05-01 16:49:36 |
| nacco-20240331_def.xml | 152975 | 2024-05-01 16:49:36 |
| nacco-20240331_htm.xml | 467267 | 2024-05-01 16:49:36 |
| nacco-20240331_lab.xml | 302073 | 2024-05-01 16:49:36 |
| nacco-20240331_pre.xml | 214747 | 2024-05-01 16:49:36 |
| R1.htm | 56946 | 2024-05-01 16:49:36 |
| R10.htm | 28520 | 2024-05-01 16:49:36 |
| R11.htm | 41690 | 2024-05-01 16:49:36 |
| R12.htm | 11386 | 2024-05-01 16:49:36 |
| R13.htm | 11015 | 2024-05-01 16:49:36 |
| R14.htm | 38254 | 2024-05-01 16:49:36 |
| R15.htm | 8532 | 2024-05-01 16:49:36 |
| R16.htm | 6984 | 2024-05-01 16:49:36 |
| R17.htm | 82144 | 2024-05-01 16:49:36 |
| R18.htm | 5890 | 2024-05-01 16:49:36 |
| R19.htm | 26727 | 2024-05-01 16:49:36 |
| R2.htm | 126881 | 2024-05-01 16:49:36 |
| R20.htm | 11788 | 2024-05-01 16:49:36 |
| R21.htm | 34273 | 2024-05-01 16:49:36 |
| R22.htm | 77044 | 2024-05-01 16:49:36 |
| R23.htm | 9008 | 2024-05-01 16:49:36 |
| R24.htm | 22619 | 2024-05-01 16:49:36 |
| R25.htm | 14042 | 2024-05-01 16:49:36 |
| R26.htm | 28691 | 2024-05-01 16:49:36 |
| R27.htm | 18198 | 2024-05-01 16:49:36 |
| R28.htm | 8717 | 2024-05-01 16:49:36 |
| R29.htm | 4379 | 2024-05-01 16:49:36 |
| R3.htm | 11249 | 2024-05-01 16:49:36 |
| R30.htm | 18091 | 2024-05-01 16:49:36 |
| R31.htm | 15875 | 2024-05-01 16:49:36 |
| R32.htm | 24090 | 2024-05-01 16:49:36 |
| R33.htm | 18119 | 2024-05-01 16:49:36 |
| R34.htm | 39855 | 2024-05-01 16:49:36 |
| R4.htm | 86763 | 2024-05-01 16:49:36 |
| R5.htm | 24751 | 2024-05-01 16:49:36 |
| R6.htm | 4836 | 2024-05-01 16:49:36 |
| R7.htm | 38143 | 2024-05-01 16:49:36 |
| R8.htm | 37184 | 2024-05-01 16:49:36 |
| R9.htm | 4484 | 2024-05-01 16:49:36 |
| report.css | 2767 | 2024-05-01 16:49:36 |
| Show.js | 1085 | 2024-05-01 16:49:36 |