Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Segment Reporting Information [Line Items]
Operating costs	$ 14,281		$ 11,567		$ 27,510	$ 23,100
Loss from operations	(14,281)		(11,567)		(27,510)	(23,100)
Other income, net – Note 19	(3,261)		(144)		(4,565)	(266)
Interest expense – Note 9	3,218		4,587		13,338	9,023
Interest income	(1,058)		(2,121)		(2,353)	(4,059)
Net loss	(13,180)	$ (20,749)	(13,889)	$ (13,909)	(33,930)	(27,798)
Total Assets	155,459				155,459		$ 201,693
Corporate and Other
Segment Reporting Information [Line Items]
Operating costs	3,933		3,706		6,820	7,045
Loss from operations	(3,933)		(3,706)		(6,820)	(7,045)
Other income, net – Note 19	(3,150)		(59)		(3,158)	(181)
Interest expense – Note 9	3,217		4,587		13,336	9,023
Interest income	(758)		(1,509)		(1,598)	(2,983)
Net loss	(3,242)		(6,725)		(15,400)	(12,904)
Total Assets	105,517				105,517		135,564
Hycroft Mine | Operating Segments
Segment Reporting Information [Line Items]
Operating costs	10,348		7,861		20,690	16,055
Loss from operations	(10,348)		(7,861)		(20,689)	(16,055)
Other income, net – Note 19	(111)		(85)		(1,407)	(85)
Interest expense – Note 9	1		0		2	0
Interest income	(300)		(612)		(755)	(1,076)
Net loss	(9,938)		$ (7,164)		(18,530)	$ (14,894)
Total Assets	$ 49,942				$ 49,942		$ 66,129