v3.25.3
Cover - shares
 9 Months Ended
Sep. 30, 2025
Oct. 27, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2025  
Document Transition Report false  
Entity File Number 001-38387  
Entity Registrant Name HYCROFT MINING HOLDING CORPORATION  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 82-2657796  
Entity Address, Address Line One P.O. Box 3030  
Entity Address, City or Town Winnemucca  
Entity Address, State or Province NV  
Entity Address, Postal Zip Code 89446  
City Area Code 775  
Local Phone Number 304-0260  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   80,965,791
Entity Central Index Key 0001718405  
Current Fiscal Year End Date --12-31  
Amendment Flag false  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2025  
Class A common stock    
Document Information [Line Items]    
Title of 12(b) Security Class A common stock, par value $0.0001 per share  
Trading Symbol HYMC  
Security Exchange Name NASDAQ  
Warrants to Purchase Common Stock, Three    
Document Information [Line Items]    
Title of 12(b) Security Warrants to purchase common stock  
Trading Symbol HYMCL  
Security Exchange Name NASDAQ