JOINT VENTURE - Payments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
JOINT VENTURE
Investments in joint venture related to direct payments made on behalf of joint venture - 50% share of purchase agreement deposits	$ (1,467)	$ (19,072)
Reimbursable payments for deposits on plant and equipment made on behalf of a joint venture or a joint venture partner partner - 50% share of Talen		(11,402)
Reimbursement of payments for deposits on plant and equipment made on behalf of a joint venture or joint venture partner		11,402
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		(11,402)
Reimbursable payments for deposits on plant and equipment made on behalf of a joint venture or a joint venture partner partner - 50% share of Talen		(11,402)
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	$ (1,467)	(7,670)
Nautilus | Bitmain Non-fixed Price Sales and Purchase Agreements
JOINT VENTURE
Percentage of share in deposits	50.00%
Percentage of Talen's share in deposits paid	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		11,402
Talen | Bitmain Non-fixed Price Sales and Purchase Agreements
JOINT VENTURE
Reimbursement of payments for deposits on plant and equipment made on behalf of a joint venture or joint venture partner		$ 11,402
Talen | Nautilus | Bitmain Non-fixed Price Sales and Purchase Agreements
JOINT VENTURE
Percentage of share in deposits	50.00%