v3.25.4
Risks and Uncertainties - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Risks And Uncertainties [Line Items]    
Crypto assets that resided on exchange $ 0 $ 7,226,139
Crypto assets held on exchange   75,700
Crypto assets in cash   76,500
Payable for Crypto Assets purchased 639,400  
Receivable for Crypto Assets sold 18,910,054  
Crypto assets cash resided in bank accounts 14,700 800
Investment owned $ 1,029,868,000 1,368,514,000
Distributed Networks [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member]    
Risks And Uncertainties [Line Items]    
Concentration risk percentage 51.00%  
Coinbase Custody Trust Company LLC The Custodian [Member]    
Risks And Uncertainties [Line Items]    
Investment owned $ 1,048,138,633 $ 1,361,288,296