Document And Entity Information - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Feb. 25, 2026 |
Jun. 30, 2025 |
|
| Document And Entity Information | |||
| Document Type | 10-K/A | ||
| Document Annual Report | true | ||
| Document Period End Date | Dec. 31, 2025 | ||
| Document Transition Report | false | ||
| Entity File Number | 001-38003 | ||
| Entity Registrant Name | Ramaco Resources, Inc. | ||
| Entity Incorporation, State or Country Code | DE | ||
| Entity Tax Identification Number | 38-4018838 | ||
| Entity Address, Address Line One | 250 West Main Street | ||
| Entity Address, Address Line Two | Suite 1900 | ||
| Entity Address, City or Town | Lexington | ||
| Entity Address, State or Province | KY | ||
| Entity Address, Postal Zip Code | 40507 | ||
| City Area Code | 859 | ||
| Local Phone Number | 244-7455 | ||
| Entity Well-known Seasoned Issuer | Yes | ||
| Entity Voluntary Filers | No | ||
| Entity Current Reporting Status | Yes | ||
| Entity Interactive Data Current | Yes | ||
| Entity Filer Category | Accelerated Filer | ||
| Entity Small Business | false | ||
| Entity Emerging Growth Company | false | ||
| ICFR Auditor Attestation Flag | true | ||
| Document Financial Statement Error Correction [Flag] | false | ||
| Entity Shell Company | false | ||
| Entity Public Float | $ 425 | ||
| Documents Incorporated by Reference [Text Block] | Certain information required to be furnished pursuant to Part III of this Annual Report on Form 10-K, as amended, is set forth in, and is hereby incorporated by reference herein from, the definitive proxy statement for our 2026 Annual General Meeting of Stockholders, which was filed by Ramaco Resources with the Securities and Exchange Commission pursuant to Regulation 14A within 120 days after December 31, 2025 | ||
| Auditor Firm ID | 248 | ||
| Auditor Name | GRANT THORNTON LLP | ||
| Auditor Location | Tulsa, Oklahoma | ||
| Amendment Description | This Amendment No. 1 on Form 10-K/A (this "Amendment") to the Annual Report on Form 10-K of Ramaco Resources, Inc. (the "Company") for the fiscal year ended December 31, 2025, filed with the Securities and Exchange Commission (the "Commission") on February 26, 2026 (the "Original 10-K Filing"), is being filed solely: (i) to revise Parts I and II to clarify that the study prepared by the Fluor Corporation titled "Preliminary Economic Assessment" referenced in the Original 10-K Filing (the "Fluor Study") was a conceptual study not prepared in accordance with Subpart 1300 of Regulation S K and to refer to such study as the "Fluor Study"; (ii) to remove statements asserting the technical and economic viability of the Company's Brook Mine rare earth/critical minerals project; (iii) to revise disclosures regarding the Company's Brook Mine to characterize the project as exploration stage with respect to critical mineral operations, which also required a revision to the description of the Company, and to add cautionary language (a) indicating that there is no assurance that we will be able to successfully develop the Brook Mine into a commercial scale mine and (b) to highlight that there is no certainty that any part of the inferred mineral resources estimated will be converted into mineral reserves; (iv) to amend and refile Exhibit 96.5 Technical Report Summary ("TRS"), effective December 31, 2025, to conform to Subpart 1300 and Item 601(b)(96) of Regulation S-K, including, but not limited to, adding additional disclosure of metallurgical testing and recoveries, resource estimation methodology and cut off grade, clarification of CMO tonnage/grade/contained metal, commodity price assumptions (basket price), cost accuracy/contingency levels, and that reasonable prospects of economic extraction, in particular for inferred resources, do not equate to economic viability; (v) to update references to the TRS to reflect the filing of the revised TRS; (vi) to update references on the cover page and in Part III of the Original 10-K Filing regarding the incorporation by reference of portions of our proxy statement into Part III of this Annual Report on Form 10-K, as amended; and (vii) to include the signature of a director that was inadvertently omitted from the signature page of the Original 10-K Filing. | ||
| Entity Central Index Key | 0001687187 | ||
| Current Fiscal Year End Date | --12-31 | ||
| Document Fiscal Year Focus | 2025 | ||
| Document Fiscal Period Focus | FY | ||
| Amendment Flag | true | ||
| 8.375% Senior Notes due 2029 | |||
| Document And Entity Information | |||
| Title of 12(b) Security | 8.375% Senior Notes due 2029 | ||
| Trading Symbol | METCZ | ||
| Security Exchange Name | NASDAQ | ||
| 8.250% Senior Notes due 2030 | |||
| Document And Entity Information | |||
| Title of 12(b) Security | 8.250% Senior Notes due 2030 | ||
| Trading Symbol | METCI | ||
| Security Exchange Name | NASDAQ | ||
| Class A Common Stock | |||
| Document And Entity Information | |||
| Title of 12(b) Security | Class A Common Stock, $0.01 par value | ||
| Trading Symbol | METC | ||
| Security Exchange Name | NASDAQ | ||
| Entity Common Stock, Shares Outstanding | 55,963,520 | ||
| Class B Common Stock | |||
| Document And Entity Information | |||
| Title of 12(b) Security | Class B Common Stock, $0.01 par value | ||
| Trading Symbol | METCB | ||
| Security Exchange Name | NASDAQ | ||
| Entity Common Stock, Shares Outstanding | 11,155,785 |