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Long-Term Debt | 6 Months Ended
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Jun. 30, 2026
Debt Disclosure [Abstract] |
Long-Term Debt | Long-Term Debt Long-term debt consisted of the following:
| June 30, 2026 |  | December 31, 2025
Notes payable and other | $ | 3,030 |  |  | $ | 3,856 |
Financing leases | 8,371 |  |  | 9,560 |
Total long-term debt | 11,401 |  |  | 13,416 |
Less current portion | (3,199) |  |  | (3,575) |
Long-term debt, net of current portion | $ | 8,202 |  |  | $ | 9,841 |
ABL Agreement On October 27, 2023, the Company, along with certain of its directly and indirectly owned subsidiaries (the “Borrowers”), entered into a credit agreement (the “ABL Agreement”) with Regions Bank, as lender, swingline lender, letter of credit (“LC”) issuer, administrative agent, collateral agent, and lead arranger, along with ServisFirst Bank and Texas Capital Bank, as joint lead arrangers and the other lenders party thereto. On May 6, 2025, the Company amended and extended the ABL Agreement. The ABL Agreement includes an asset-based revolving credit facility (the “ABL Facility”) which allows the Company to borrow cash or obtain LCs, on a revolving basis, in an aggregate amount of up to $225,000. Availability under the ABL Facility is calculated monthly and fluctuates based on qualifying amounts of coal inventory, trade accounts receivable, and in certain circumstances specified amounts of cash. The ABL Facility matures on May 4, 2029. The ABL Facility is guaranteed by substantially all of Alpha’s directly and indirectly owned subsidiaries that are not Borrowers (the “Guarantors”) and is secured by all or substantially all assets of the Borrowers and Guarantors. As of June 30, 2026 and December 31, 2025, the Company had no amounts borrowed and $40,710 and $41,254 LCs outstanding under the ABL Facility, respectively. The ABL agreement limits the Company’s ability to make certain restricted payments, including the payment of cash dividends and the repurchase of equity shares under its share repurchase program, if the level of cash it maintains at Regions Bank falls below $100,000. The ABL Agreement also contains negative and affirmative covenants and requires the Company to maintain minimum Liquidity, as defined in the ABL Agreement, of $75,000. As of June 30, 2026, the Company’s cash balance at Regions Bank exceeded the $100,000 threshold and the Company is in compliance with all covenants under the ABL Agreement.

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- Definition The entire disclosure for long-term debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 470 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/470/tableOfContent + Details
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