ACQUISITIONS, DISPOSITIONS AND RESTRUCTURING - Restructuring (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring reserve				$ 1,400
Intangible assets, amount ceased to be used	$ 2,500	$ 2,500		$ 2,000
Impairment of intangible assets (excluding goodwill)	2,500	4,500
Impairment of goodwill and other intangibles	266,000	1,054,760	$ 0
Mining Segment
Restructuring Cost and Reserve [Line Items]
Impairment of goodwill and other intangibles	207,800	996,500
Equipment Sales and Hosting Segment
Restructuring Cost and Reserve [Line Items]
Impairment of goodwill and other intangibles	58,200	58,200
2022 Restructuring
Restructuring Cost and Reserve [Line Items]
Payments for restructuring	(900)
Restructuring reserve, accrual adjustment	(100)
Restructuring reserve, remaining	400	400
Restructuring cost	900	$ 2,300
2022 Restructuring | Employee Severance
Restructuring Cost and Reserve [Line Items]
Severance expense	$ 1,000