v3.25.4

Federal Coal Lease Obligations | 12 Months Ended
--- | ---
Dec. 31, 2025
Leases [Abstract] |
Federal Coal Lease Obligations | Note 12—Federal Coal Lease Obligations On November 25, 2025, Warrior Met Coal BC, LLC, a wholly-owned subsidiary of the Company, entered into Federal Coal Lease ALES-056519 at Mine No. 1 (the “Mine No. 1 Lease”) and Warrior Met Coal Mining, LLC, a wholly-owned subsidiary of the Company, entered into Federal Coal Lease ALES-055797 at Mine No. 4 (the “Mine No. 4 Lease”, and, together with the Mine No. 1 Lease, the “Leases”), each with the United States of America through the Bureau of Land Management of the United States Department of the Interior. The Company bid approximately $46.8 million for the Leases and has submitted a payment for approximately $9.4 million, which is the first of five equal installments. Successive installments are due each year on the anniversary of the Leases for the next four years. These future installments were recognized as short and long-term federal coal lease obligations and discounted using a credit-adjusted risk-free rate. Imputed interest will be recognized over this payment installment period. As of December 31, 2025, the present value of the short-term and long-term obligations were $8.8 million and $23.7 million, respectively, and are presented as separate line items in the Consolidated Balance Sheets .

X
- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for mineral industries. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 930 -SubTopic 715 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477692/930-715-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 930 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/930/tableOfContent + Details
Name: | us-gaap_MineralIndustriesDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration