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Cover - USD ($)
 12 Months Ended
Dec. 31, 2022
Mar. 27, 2023
Jun. 30, 2022
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2022    
Current Fiscal Year End Date --12-31    
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 4300 Water Canyon Road    
Entity Address, Address Line Two Unit 1    
Entity Address, City or Town Winnemucca    
Entity Address, State or Province NV    
Entity Address, Postal Zip Code 89445    
City Area Code 775    
Local Phone Number 304-0260    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
Entity Shell Company false    
Entity Public Float     $ 165,448,903
Entity Common Stock, Shares Outstanding   200,270,599  
Documents Incorporated by Reference
DOCUMENTS INCORPORATED BY REFERENCE
None.
    
Entity Central Index Key 0001718405    
Amendment Flag false    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2022    
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      
Document Information [Line Items]      
Title of 12(b) Security Warrants to purchase common stock    
Trading Symbol HYMCW    
Security Exchange Name NASDAQ    
Warrants to purchase common stock      
Document Information [Line Items]      
Title of 12(b) Security Warrants to purchase common stock    
Trading Symbol HYMCL    
Security Exchange Name NASDAQ