PROPERTY AND EQUIPMENT - Impairment by Category of Asset (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets	$ 4,000	$ 0	$ 4,000	$ 71,500
Land
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets				5,000
Plant infrastructure
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets				24,400
Miners
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets				20,945
Miner facility infrastructure
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets				990
Equipment
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets				190
Software
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets				70
Coal ash impoundment
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets				925
Construction in process
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets				$ 18,980