v3.25.1
Business Segments (Tables)
 3 Months Ended
Mar. 31, 2025
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information
The following table provides segment financial information and a reconciliation of segment results to consolidated results:
 THREE MONTHS ENDED
 MARCH 31
 2025 2024
Revenues
Coal Mining$19,239 $15,545 
NAMining31,526 24,483 
Minerals Management10,902 10,401 
Unallocated Items4,400 3,262 
Eliminations(496)(402)
Total$65,571 $53,289 
Cost of sales
Coal Mining$22,570 $20,943 
NAMining28,37821,671
Minerals Management2,2441,364
Unallocated Items3,2372,712
Eliminations(512)(419)
Total$55,917 $46,271 
Earnings of unconsolidated operations
Coal Mining$14,463 $12,007 
NAMining969 1,365 
Minerals Management554 (65)
Total$15,986 $13,307 
Operating expenses*
Coal Mining$7,341 $7,026 
NAMining2,147 1,822 
Minerals Management1,305 1,042 
Unallocated Items7,165 5,678 
Total$17,958 $15,568 
Operating profit (loss)
Coal Mining$3,791 $(417)
NAMining1,9702,355
Minerals Management7,9077,930
Unallocated Items(6,002)(5,128)
Eliminations1617
Total$7,682 $4,757 

*Operating expenses consist of Selling, general and administrative expenses, Amortization of intangible assets and (Gain) loss on sale of assets.
THREE MONTHS ENDED
MARCH 31
20252024
Expenditures for property, plant and equipment and acquisition of mineral interests
Coal Mining$617 $1,794 
NAMining6,754 5,818 
Minerals Management807 136 
Unallocated Items630 6,735 
Total$8,808 $14,483 
Depreciation, depletion and amortization
Coal Mining$2,018 $2,214 
NAMining2,702 2,256 
Minerals Management1,908 993 
Unallocated Items165 229 
Total$6,793 $5,692 
March 31
2025		December 31
2024
 Total assets
Coal Mining$116,649 $125,301 
NAMining210,990 204,889 
Minerals Management99,702 99,905 
Unallocated Items**
206,846 201,592 
Total$634,187 $631,687 

**Unallocated Items consist primarily of Cash and cash equivalents, assets of growth businesses, Deferred income taxes and Investments in unconsolidated subsidiaries.