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BITCOIN - Narrative (Details)
$ in Millions
Jun. 30, 2025
USD ($)
bitcoin
Mar. 31, 2025
bitcoin
Dec. 31, 2024
USD ($)
bitcoin
Jun. 30, 2024
bitcoin
Mar. 31, 2024
bitcoin
Dec. 31, 2023
bitcoin
Platform Operator, Crypto-Asset [Line Items]            
Number of bitcoins (in bitcoin) 8,692 8,584 8,485 8,211 8,038 8,038
Crypto-Asset, Investing Purposes            
Platform Operator, Crypto-Asset [Line Items]            
Number of bitcoins (in bitcoin) 8,692   8,485      
Bitcoin, purchase value | $ $ 272.0   $ 251.5      
Crypto-Asset, Operating Purposes            
Platform Operator, Crypto-Asset [Line Items]            
Number of bitcoins (in bitcoin) 152   158      
Bitcoin, purchase value | $ $ 16.6   $ 15.3