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Fair Value Measurements - Summary of Financial Assets According to Fair Value Hierarchy (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Carrying Value    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Financial assets $ 309,809 $ 253,135
Carrying Value | Bitcoin    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Financial assets 242,387 181,238
Carrying Value | Treasury Bills    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Financial assets 5,012 31,162
Carrying Value | Money Market Funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Financial assets 40,686 25,514
Carrying Value | Ethereum    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Financial assets 11,490 8,847
Carrying Value | Solana    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Financial assets 9,936 4,628
Carrying Value | Other Digital Assets    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Financial assets 98 1,646
Carrying Value | Other Investment    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Financial assets [1] 200 100
Level 1 | Bitcoin    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Financial assets 242,387 181,238
Level 1 | Treasury Bills    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Financial assets 5,012 31,162
Level 1 | Money Market Funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Financial assets 40,686 25,514
Level 1 | Ethereum    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Financial assets 11,490 8,847
Level 1 | Solana    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Financial assets 9,936 4,628
Level 1 | Other Digital Assets    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Financial assets $ 98 $ 1,646
[1] These investments are recorded at cost.