Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Segment Reporting Information [Line Items]
Revenues – Note 15	$ 0		$ 3,831		$ 0	$ 12,997
Cost of sales	0		6,817		0	23,789
Other operating costs	11,567		5,501		23,100	9,713
Loss from operations	(11,567)		(8,487)		(23,100)	(20,505)
Interest expense – Note 8	(4,587)		(4,198)		(9,023)	(9,544)
Interest income	2,121		20		4,059	20
Fair value adjustment to warrants – Notes 13 and 20	59		3,706		181	(1,615)
Gain on sale of equipment	85		(23)		85	602
Net loss	(13,889)	$ (13,909)	(8,982)	$ (22,060)	(27,798)	(31,042)
Total Assets	222,730				222,730		$ 248,954
Hycroft Mine
Segment Reporting Information [Line Items]
Revenues – Note 15			3,831			12,997
Cost of sales			6,817			23,789
Other operating costs	7,861		253		16,055	1,393
Loss from operations	(7,861)		(3,239)		(16,055)	(12,185)
Interest expense – Note 8	0		(2)		0	(6)
Interest income	612				1,076
Fair value adjustment to warrants – Notes 13 and 20	0		0		0	0
Gain on sale of equipment	85		(23)		85	602
Net loss	(7,164)		(3,244)		(14,894)	(11,569)
Total Assets	82,783				82,783		102,057
Corporate and Other
Segment Reporting Information [Line Items]
Revenues – Note 15			0			0
Cost of sales			0			0
Other operating costs	3,706		5,248		7,045	8,320
Loss from operations	(3,706)		(5,248)		(7,045)	(8,320)
Interest expense – Note 8	(4,587)		(4,196)		(9,023)	(9,538)
Interest income	1,509		0		2,983	0
Fair value adjustment to warrants – Notes 13 and 20	59		3,706		181	(1,615)
Gain on sale of equipment	0		0		0	0
Net loss	(6,725)		(5,738)		(12,904)	(19,473)
Total Assets	$ 139,947				$ 139,947		$ 146,897
Hycroft Mine
Segment Reporting Information [Line Items]
Interest income			$ 20			$ 20