v3.26.1
Summary of Significant Accounting Policies - Concentration of Credit Risk (Details) - Avalanche Treasury Company, LLC
3 Months Ended 4 Months Ended
Mar. 31, 2026
USD ($)
Asset
Dec. 31, 2025
USD ($)
Asset
Summary of Significant Accounting Policies    
Cash balances in excess of the FDIC insured limit | $ $ 954,051 $ 1,500,000
USDC balances with third-party custodian | $ 2,391,023 3,373,564
Yield on USDC | $ $ 21,059 $ 75,157
AVAX | Coinbase Custody Trust Company, LLC    
Summary of Significant Accounting Policies    
Number of digital assets through third-party custodians | Asset 8,462,227 8,329,871
AVAX | BitGo Trust Company, Inc    
Summary of Significant Accounting Policies    
Number of digital assets through third-party custodians | Asset 5,323,608 5,249,578
stAVAX | BitGo Trust Company, Inc    
Summary of Significant Accounting Policies    
Number of digital assets through third-party custodians | Asset 1,180,516 1,180,516