Segment Information (Details) - USD ($)	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Segment Reporting Information [Line Items]
Operating costs	$ 14,002,000			$ 13,571,000			$ 41,512,000	$ 36,671,000
Loss from operations	(14,002,000)			(13,571,000)			(41,512,000)	(36,671,000)
Other income, net – Note 18	2,403,000			457,000			6,980,000	723,000
Write-down of supplies inventories – Note 4	(366,000)			0			(378,000)	0
Interest income	1,029,000			2,100,000			3,382,000	6,159,000
Interest expense – Note 11	(3,292,000)			(4,698,000)			(16,630,000)	(13,721,000)
Net loss	(14,228,000)	$ (13,180,000)	$ (20,749,000)	(15,712,000)	$ (13,889,000)	$ (13,909,000)	(48,158,000)	(43,510,000)
Total Assets	149,022,000						149,022,000		$ 201,693,000
Corporate and Other
Segment Reporting Information [Line Items]
Operating costs	4,405,000			2,765,000			11,225,000	9,810,000
Loss from operations	(4,405,000)			(2,765,000)			(11,225,000)	(9,810,000)
Other income, net – Note 18	(283,000)			1,000			2,875,000	182,000
Write-down of supplies inventories – Note 4	0						0
Interest income	738,000			1,462,000			2,336,000	4,445,000
Interest expense – Note 11	(3,291,000)			(4,698,000)			(16,627,000)	(13,721,000)
Net loss	(7,241,000)			(6,000,000)			(22,641,000)	(18,904,000)
Total Assets	103,171,000						103,171,000		135,564,000
Hycroft Mine | Hycroft Mine
Segment Reporting Information [Line Items]
Operating costs	9,597,000			10,806,000			30,287,000	26,861,000
Loss from operations	(9,597,000)			(10,806,000)			(30,287,000)	(26,861,000)
Other income, net – Note 18	2,686,000			456,000			4,105,000	541,000
Write-down of supplies inventories – Note 4	(366,000)						(378,000)
Interest income	291,000			638,000			1,046,000	1,714,000
Interest expense – Note 11	(1,000)			0			(3,000)	0
Net loss	(6,987,000)			$ (9,712,000)			(25,517,000)	$ (24,606,000)
Total Assets	$ 45,851,000						$ 45,851,000		$ 66,129,000