JOINT VENTURE - Narrative (Details) mV7Miner in Thousands	1 Months Ended							3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 30, 2023 minerVAMiner	Mar. 31, 2023 minerVAMiner MW	Feb. 28, 2023 minerVAMiner	Sep. 30, 2022 USD ($) s19jProMiner	Aug. 31, 2022	Jun. 30, 2021 agreement s19jProMiner	May 31, 2021 MW	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 30, 2022 mV7Miner	Mar. 31, 2022 s19jProMiner	Mar. 31, 2021 USD ($) mV7Miner
JOINT VENTURE
Total purchase price per agreement															$ 118,500,000
Number of agreements | s19jProMiner						30,000
Payments to acquire property, plant, and equipment										$ 41,392,000	$ 53,947,000
Equity in net assets of investee								$ 105,557,000		105,557,000		$ 98,741,000
Loss on disposals of property, plant, and equipment								(420,000)	$ 0	(420,000)	0
Second A&R Nautilus Agreement
JOINT VENTURE
Fair value of miners contributed								36,700,000		36,700,000		11,600,000
Increased the equity in net assets										36,700,000		11,600,000
Nautilus Joint Venture
JOINT VENTURE
Ownership interest in the joint venture					33.00%
Nautilus Joint Venture | Second A&R Nautilus Agreement
JOINT VENTURE
Maximum operating capacity (in MW) | MW		200
Ownership interest in the joint venture		25.00%
Joint venture, increase in operating capacity (in MW) | MW		50
Nautilus Joint Venture | Second A&R Nautilus Agreement | Talen
JOINT VENTURE
Ownership interest in the joint venture		75.00%
Bitmain Non-fixed Price Sales and Purchase Agreements
JOINT VENTURE
Distributed credit				$ 31,200,000
Equity in net assets of investee												2,200,000
Minerva Purchase Agreement
JOINT VENTURE
Number miners purchases covered by the agreement | mV7Miner															30
Deposits made												40,500,000
Number of miners covered by payment to date | mV7Miner													9
Q1 2022 Bitmain Agreement
JOINT VENTURE
Number of agreements | s19jProMiner						5,000
Q2 2022 Bitmain Agreement
JOINT VENTURE
Number of agreements | s19jProMiner						5,000
Talen
JOINT VENTURE
Maximum operating capacity (in MW) | MW		300					300
Interest in joint venture (as a percent)							50.00%
Capitalized interest costs								0	$ 0	$ 900,000	1,600,000
Talen | Bitmain Non-fixed Price Sales and Purchase Agreements
JOINT VENTURE
Payments to acquire property, plant, and equipment											$ 22,800,000
Percentage of payment to the total amount due at the date of purchase agreement amendment				50.00%					50.00%		50.00%
Variable Interest Entity, Not Primary Beneficiary
JOINT VENTURE
Interest in joint venture (as a percent)										25.00%
Proceeds from Bitcoin distributions received										$ 11,700,000		0
Percent of access to electricity supply					50.00%
Ownership percentage acquired in joint venture					25.00%
Fair value of purchase obligation									$ 16,000,000
Miner exchange liability												16,800,000
Loss on disposals of property, plant, and equipment									800,000		$ 800,000
Miners value included in property plant and equipment								6,900,000		6,900,000		4,800,000
Estimated fair value								20,500,000		20,500,000		$ 16,300,000
Loss on transfer of miners								$ 0	$ 11,500,000	$ 13,600,000	$ 11,500,000
Variable Interest Entity, Not Primary Beneficiary | Bitmain Non-fixed Price Sales and Purchase Agreements
JOINT VENTURE
Number miners purchases covered by the agreement | s19jProMiner														2,469
Number of agreements | agreement						2
Number of miners transferred	4,900	4,900	4,900	2,500