Business and Basis of Presentation	6 Months Ended
Jun. 30, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business and Basis of Presentation	Note 1. Business and Basis of Presentation Description of the Business Warrior Met Coal, Inc. (the "Company") is a U.S.-based, environmentally and socially minded supplier to the global steel industry. The Company is dedicated entirely to mining non-thermal steelmaking coal used as a critical component of steel production by metal manufacturers in Europe, South America and Asia. The Company is a large-scale, low-cost producer and exporter of premium quality steelmaking coal, also known as hard-coking coal ("HCC"), operating highly efficient longwall operations in its underground mines based in Alabama. The HCC that the Company produces from the Blue Creek coal seam contains very low sulfur and has strong coking properties. The Company also generates ancillary revenues from the sale of natural gas extracted as a byproduct from the underground coal mines and royalty revenues from leased properties. Basis of Presentation The accompanying financial statements are presented in accordance with accounting principles generally accepted in the United States (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. In our opinion, the financial statements include all adjustments (consisting of normal recurring accruals) necessary in order to make the financial statements not misleading. For further information, refer to the financial statements and related notes included in the Company's Annual Report on Form 10-K for the year ended December 31, 2025 (the "2025 Annual Report"). Operating results for the three and six months ended June 30, 2026 are not necessarily indicative of the final results that may be expected for the year ended December 31, 2026. The balance sheet at December 31, 2025 has been derived from the audited financial statements for the year ended December 31, 2025 included in the 2025 Annual Report. Collective Bargaining Agreement The Company's Collective Bargaining Agreement ("CBA") with the labor union representing certain of the Company's hourly employees expired on April 1, 2021. The Company continues to engage in good faith efforts with the labor union to reach an agreement on a new contract.

Business and Basis of Presentation

6 Months Ended

Jun. 30, 2026

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Note 1. Business and Basis of Presentation

Description of the Business

Warrior Met Coal, Inc. (the "Company") is a U.S.-based, environmentally and socially minded supplier to the global steel industry. The Company is dedicated entirely to mining non-thermal steelmaking coal used as a critical component of steel production by metal manufacturers in Europe, South America and Asia. The Company is a large-scale, low-cost producer and exporter of premium quality steelmaking coal, also known as hard-coking coal ("HCC"), operating highly efficient longwall operations in its underground mines based in Alabama. The HCC that the Company produces from the Blue Creek coal seam contains very low sulfur and has strong coking properties. The Company also generates ancillary revenues from the sale of natural gas extracted as a byproduct from the underground coal mines and royalty revenues from leased properties.

Basis of Presentation

The accompanying financial statements are presented in accordance with accounting principles generally accepted in the United States (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. In our opinion, the financial statements include all adjustments (consisting of normal recurring accruals) necessary in order to make the financial statements not misleading. For further information, refer to the financial statements and related notes included in the Company's Annual Report on Form 10-K for the year ended December 31, 2025 (the "2025 Annual Report"). Operating results for the three and six months ended June 30, 2026 are not necessarily indicative of the final results that may be expected for the year ended December 31, 2026. The balance sheet at December 31, 2025 has been derived from the audited financial statements for the year ended December 31, 2025 included in the 2025 Annual Report.

Collective Bargaining Agreement

The Company's Collective Bargaining Agreement ("CBA") with the labor union representing certain of the Company's hourly employees expired on April 1, 2021. The Company continues to engage in good faith efforts with the labor union to reach an agreement on a new contract.