Restricted Cash - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Restricted Cash and Cash Equivalents Items [Line Items]
Guarantor obligations	$ 58,700		$ 58,700		$ 58,700
Interest income	1,029	$ 2,100	3,382	$ 6,159
Restricted Cash
Restricted Cash and Cash Equivalents Items [Line Items]
Interest income	300	$ 400	900	$ 1,100
Surety bond
Restricted Cash and Cash Equivalents Items [Line Items]
Guarantor obligations	27,200		27,200		26,300
Surety Bond, Hycroft Mine Financial Requirements
Restricted Cash and Cash Equivalents Items [Line Items]
Guarantor obligations	$ 58,300		$ 58,300		$ 58,300