Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Revenues - Note 15	$ 8,758			$ 31,676			$ 21,755	$ 86,713
Cost of sales	11,237			43,660			35,026	106,563
Other operating costs	10,145			6,675			19,858	17,353
Loss from operations	(12,624)			(18,659)			(33,129)	(37,203)
Interest expense, net of capitalized interest - Note 10	(4,459)			(5,461)			(14,003)	(15,176)
Interest income	826			0			846	0
Fair value adjustment to warrants - Notes 12 and 20	1,133			812			(482)	10,956
Commissions expense - Note 7	(936)			0			(936)	0
Gain on sale of equipment	211			0			813	0
Loss before income taxes	(15,849)			(23,308)			(46,891)	(41,423)
Income tax benefit - Note 17	0			95			0	95
Net loss	(15,849)	$ (8,982)	$ (22,060)	(23,213)	$ (8,427)	$ (9,688)	(46,891)	(41,328)
Total Assets	272,448						272,448		$ 142,324
Hycroft Mine
Segment Reporting Information [Line Items]
Revenues - Note 15	8,758			31,676			21,755	86,713
Cost of sales	11,237			43,660			35,026	106,563
Other operating costs	7,113			3,362			8,506	5,082
Loss from operations	(9,592)			(15,346)			(21,777)	(24,932)
Interest expense, net of capitalized interest - Note 10	(3)			0			(9)	0
Interest income	153						173
Fair value adjustment to warrants - Notes 12 and 20	0			0			0	0
Commissions expense - Note 7	(936)						(936)
Gain on sale of equipment	211						813
Loss before income taxes				(15,346)				(24,932)
Income tax benefit - Note 17				0				0
Net loss	(10,167)			(15,346)			(21,736)	(24,932)
Total Assets	115,936						115,936		138,971
Corporate and Other
Segment Reporting Information [Line Items]
Revenues - Note 15	0			0			0	0
Cost of sales	0			0			0	0
Other operating costs	3,032			3,313			11,352	12,271
Loss from operations	(3,032)			(3,313)			(11,352)	(12,271)
Interest expense, net of capitalized interest - Note 10	(4,456)			(5,461)			(13,994)	(15,176)
Interest income	673						673
Fair value adjustment to warrants - Notes 12 and 20	1,133			812			(482)	10,956
Commissions expense - Note 7	0						0
Gain on sale of equipment	0						0
Loss before income taxes				(7,962)				(16,491)
Income tax benefit - Note 17				95				95
Net loss	(5,682)			$ (7,867)			(25,155)	$ (16,396)
Total Assets	$ 156,512						$ 156,512		$ 3,353