v3.26.3
Digital Currencies - Schedule of measurement inputs and valuation techniques (Details)
$ in Thousands
Sep. 30, 2026
Year
Apr. 19, 2026
USD ($)
Year
Mar. 31, 2026
Year
Mar. 07, 2026
USD ($)
Year
Jan. 07, 2026
USD ($)
Year
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Contract value | $   $ 5,017   $ 6,648 $ 11,665
Fair value - initial | $   $ 210   $ 266 $ 1,225
Spot rate [Member] | Digital currencies option [Member]          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Measurement input 84 74 68 67 91
Strike price [Member] | Digital currencies option [Member]          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Measurement input 110 110 110 110 110
Risk-free interest rate [Member] | Digital currencies option [Member]          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Measurement input   3.64   3.54 3.48
Risk-free interest rate [Member] | Minimum [Member] | Digital currencies option [Member]          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Measurement input 4.13   3.6    
Risk-free interest rate [Member] | Maximum [Member] | Digital currencies option [Member]          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Measurement input 4.34   3.71    
Expected life (years) [Member] | Digital currencies option [Member]          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Measurement input   1.01   1.01 1.01
Expected life (years) [Member] | Minimum [Member] | Digital currencies option [Member]          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Measurement input 0.28   0.79    
Expected life (years) [Member] | Maximum [Member] | Digital currencies option [Member]          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Measurement input 0.56   0.95    
Annualized volatility [Member] | Digital currencies option [Member]          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Measurement input   44.34 51.37 51.21 45.92
Annualized volatility [Member] | Minimum [Member] | Digital currencies option [Member]          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Measurement input 37.01        
Annualized volatility [Member] | Maximum [Member] | Digital currencies option [Member]          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Measurement input 37.96        
Number of Bitcoin [Member] | Digital currencies option [Member]          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Measurement input   46   60 106
Number of Bitcoin pledged [Member] | Digital currencies option [Member]          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Measurement input 212   166