SEGMENT REPORTING - Schedule of Segment Reporting Information, by Segment (Details) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Total revenue	$ 19,242	$ 19,333
Selling, general and administrative	2,776	5,393
Depreciation	3,131	3,234
Impairment of long-lived assets	0	169
Loss on sale of assets	137	0
Gain on insurance proceeds	(399)	0
Interest expense, net	2,855	1,802
Change in fair value of warrant asset	0	420
Loss on liquidation of subsidiary	348	0
Other income, net	(18)	0
Benefit from income taxes	(10)	0
Reportable Segment
Segment Reporting Information [Line Items]
Total revenue	19,242	19,333
Natural gas expense	8,817	5,814
Electricity for mining expense	1,245	0
Emissions expense	2,465	1,736
Hosting fee expense	148	1,936
Other cost of revenue	2,323	2,832
Segment gross profit	4,244	7,015
Selling, general and administrative	2,776	5,393
Depreciation	3,131	3,234
Impairment of long-lived assets	0	169
Loss (gain) on digital assets	988	(59)
Loss on sale of assets	137	0
Gain on insurance proceeds	(399)	0
Interest expense, net	2,855	1,802
Change in fair value of warrant asset	0	420
Loss on liquidation of subsidiary	348	0
Other income, net	(18)	0
Benefit from income taxes	(10)	0
Segment net loss	$ (5,564)	$ (3,944)