EQUIPMENT DEPOSITS - Narrative (Details)	9 Months Ended
	Sep. 30, 2021 miner vendor	Apr. 01, 2021 miner_equipment miner
Unrecorded Unconditional Purchase Obligation [Line Items]
Number of vendors | vendor	3
Number of miners	27,300
Miner Equipment, Cryptech, Bitmain
Unrecorded Unconditional Purchase Obligation [Line Items]
Number of miners	2,400	2,400
Number of miners per month	200	200