LEASES - Schedule of Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Lessee, Lease, Description [Line Items]
Short-term lease expense	$ 318	$ 68	$ 943	$ 262
Variable lease expense	304	0	877	0
Finance lease expense:
Amortization of right-of-use assets	101	231	497	880
Interest on lease liabilities	11	91	90	1,132
Total finance lease expense	112	322	587	2,012
Total lease expense	5,533	4,218	16,615	11,609
Cost of revenue | Cost of Colocation services
Lessee, Lease, Description [Line Items]
Operating lease expense	3,412	4,833	10,221	7,930
Cost of revenue | Cost of digital asset self-mining
Lessee, Lease, Description [Line Items]
Operating lease expense	79	106	240	302
Cost of revenue | Cost of digital asset hosted mining services
Lessee, Lease, Description [Line Items]
Operating lease expense	11	22	25	78
Selling, general and administrative expenses
Lessee, Lease, Description [Line Items]
Operating lease expense	$ 1,297	$ (1,133)	$ 3,722	$ 1,025