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GOODWILL - Narrative (Details) - USD ($) $ in Thousands	6 Months Ended
GOODWILL - Narrative (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Goodwill [Line Items]
Goodwill	$ 266,038	$ 1,060,000	$ 1,055,760
Accumulated goodwill impairment loss	788,700
Impairment of goodwill and other intangibles	788,722	$ 0
Mining Segment
Goodwill [Line Items]
Goodwill	207,797		997,519
Impairment of goodwill and other intangibles	788,722
Equipment Sales and Hosting Segment
Goodwill [Line Items]
Goodwill	58,241		$ 58,241
Impairment of goodwill and other intangibles	$ 0
Fair value over carrying value, percent	136.00%

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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