v3.25.4
Document And Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Feb. 25, 2026
Jun. 30, 2025
Document Type 10-K    
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 is set forth in, and is hereby incorporated by reference herein from, the definitive proxy statement for our 2026 Annual General Meeting of Stockholders, to be 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    
Entity Central Index Key 0001687187    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Amendment Flag false    
8.375% Senior Notes due 2029      
Title of 12(b) Security 8.375% Senior Notes due 2029    
Trading Symbol METCZ    
Security Exchange Name NASDAQ    
8.250% Senior Notes due 2030      
Title of 12(b) Security 8.250% Senior Notes due 2030    
Trading Symbol METCI    
Security Exchange Name NASDAQ    
Class A Common Stock      
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      
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