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SEGMENT REPORTING - Narrative (Details)
$ in Millions
12 Months Ended
Dec. 31, 2023
USD ($)
segment
asset_service
Dec. 31, 2022
USD ($)
asset_service
Dec. 31, 2021
USD ($)
Segment Reporting Information [Line Items]      
Number of operating segments | segment 2    
Number of third-party digital asset services | asset_service 2 2  
UNITED STATES | Revenue Benchmark | Geographic Concentration Risk      
Segment Reporting Information [Line Items]      
Concentration risk, percentage 100.00% 99.00%  
Mining Segment | Revenue Benchmark | Indefinite-Lived Intangible Asset Concentration Risk | Bitcoin      
Segment Reporting Information [Line Items]      
Concentration risk, percentage 78.00% 62.00%  
Operating Segments | Hosting Segment      
Segment Reporting Information [Line Items]      
Cost of revenue, depreciation expense $ 6.9 $ 12.1 $ 7.4
Operating Segments | Mining Segment      
Segment Reporting Information [Line Items]      
Cost of revenue, depreciation expense $ 88.5 $ 214.8 $ 24.3