JOINT VENTURE - Payments (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
JOINT VENTURE
Investments in joint venture related to direct payments made on behalf of joint venture - 50% share of purchase agreement deposits	$ (2,845)	$ (37,797)
Reimbursable payments for deposits on plant and equipment made on behalf of a joint venture or a joint venture partner - 50% share of Talen	0	(11,741)
Reimbursement of payments for deposits on plant and equipment made on behalf of a joint venture or joint venture partner	0	11,716
Bitmain Non-fixed Price Sales and Purchase Agreements
JOINT VENTURE
Investments in joint venture related to direct payments made on behalf of joint venture - 50% share of purchase agreement deposits	0	(11,402)
Reimbursable payments for deposits on plant and equipment made on behalf of a joint venture or a joint venture partner - 50% share of Talen	0	(11,402)
Other reimbursable payments	0	(339)
Other direct payments
JOINT VENTURE
Investments in joint venture related to direct payments made on behalf of joint venture - 50% share of purchase agreement deposits	$ (2,845)	(26,395)
Variable Interest Entity, Not Primary Beneficiary | Bitmain Non-fixed Price Sales and Purchase Agreements
JOINT VENTURE
Percentage of Talen's share in deposits paid	50.00%
Percentage of share in deposits	50.00%
Talen
JOINT VENTURE
Reimbursement of payments for deposits on plant and equipment made on behalf of a joint venture or joint venture partner	$ 0	11,716
Talen | Bitmain Non-fixed Price Sales and Purchase Agreements
JOINT VENTURE
Other reimbursable payments	0	314
Reimbursement of payments for deposits on plant and equipment made on behalf of a joint venture or joint venture partner	$ 0	$ 11,402
Talen | Variable Interest Entity, Not Primary Beneficiary | Bitmain Non-fixed Price Sales and Purchase Agreements
JOINT VENTURE
Percentage of share in deposits	50.00%