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SEGMENT REPORTING - Narrative (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
segment
Sep. 30, 2022
USD ($)
Segment Reporting Information [Line Items]        
Number of operating segments | segment     2  
Mining Segment | Revenue Benchmark | Indefinite-Lived Intangible Asset Concentration Risk | Bitcoin        
Segment Reporting Information [Line Items]        
Concentration risk, percentage 74.00%   77.00%  
Operating Segments | Hosting Segment        
Segment Reporting Information [Line Items]        
Cost of revenue, depreciation expense $ 1.9 $ 3.3 $ 3.7 $ 8.2
Operating Segments | Mining Segment        
Segment Reporting Information [Line Items]        
Cost of revenue, depreciation expense $ 22.0 $ 61.1 $ 60.8 $ 146.8