Restricted Cash (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Jun. 30, 2022
Restricted Cash and Cash Equivalents Items [Line Items]
Reclamation and other surety bond cash collateral	$ 33,982	$ 33,982	$ 34,293
Restricted cash	33,982	33,982	34,293
Interest income	400	2,313	0
Restricted cash change due to collateral requirements			5,400
Surety bond
Restricted Cash and Cash Equivalents Items [Line Items]
Guarantor obligations	58,700	58,700	59,300
Guarantor obligations, cancel				$ 1,000
Restricted cash				300
Hycroft Mine
Restricted Cash and Cash Equivalents Items [Line Items]
Guarantor obligations	$ 58,300	$ 58,300	$ 58,300
Water Supply
Restricted Cash and Cash Equivalents Items [Line Items]
Guarantor obligations				$ 400