v3.25.4
Document and Entity Information
Mar. 03, 2026
Document and Entity Information [Abstract]  
Document Type 8-K
Document Period End Date Mar. 03, 2026
Entity File Number 333-249533
Entity Registrant Name FORTITUDE GOLD CORPORATION
Entity Incorporation, State or Country Code CO
Entity Tax Identification Number 85-2602691
Entity Address, Address Line One 723 S. Cascade Avenue
Entity Address, City or Town Colorado Springs
Entity Address, State or Province CO
Entity Address, Postal Zip Code 80903
City Area Code 719
Local Phone Number 717-9825
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security N/A
Trading Symbol N/A
Entity Emerging Growth Company false
Entity Central Index Key 0001828377
Amendment Flag false