PROPERTY, PLANT, AND EQUIPMENT - Schedule of Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Total	$ 433,473	$ 453,171	$ 452,733	$ 585,431
Add: Construction in progress	111,966			183,909
Property, plant and equipment, net	433,473			585,431
Accumulated amortization for assets under finance leases	3,000			43,400
Property, Plant, and Equipment Excluding Construction in Progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	693,619			695,496
Less: accumulated depreciation and amortization	372,112			293,974
Total	321,507			401,522
Land and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 17,215			21,852
Estimated Useful Lives	20 years
Building and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 186,267			164,495
Building and improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	12 years
Building and improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	39 years
Mining and network equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 413,296			441,404
Finance lease assets	$ 0			46,600
Mining and network equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	3 years
Mining and network equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	5 years
Electrical equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 74,077			64,810
Finance lease assets	$ 8,500			12,700
Electrical equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	5 years
Electrical equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	15 years
Other property, plant and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 2,764			2,935
Finance lease assets	$ 400			$ 400
Other property, plant and equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	5 years
Other property, plant and equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	7 years