v3.26.1
Commitments and Contingencies - Subscription Agreement (Details) - Subscription Agreements - Private Placement - Avalanche Treasury Company LLC ("OpCo") - SPAC and certain investors
$ / shares in Units, $ in Millions
2 Months Ended
Oct. 01, 2025
USD ($)
$ / shares
shares
Nov. 30, 2025
USD ($)
item
shares
Commitments and Contingencies    
Price per unit issued | $ / shares $ 10  
Aggregate value of units agreed to issue $ 216.0  
Class A common stock converted per unit | shares 1  
Fair value of gross proceeds from issuance of units   $ 178.2
Cash proceeds from issuance of units   $ 96.5
Number of USD Coin proceeds from issuance of units | item   22,300,205
Value of USD Coin proceeds from issuance of units   $ 22.3
Number of AVAX proceeds from issuance of units | item   3,340,696
Value of AVAX proceeds from issuance of units   $ 59.4
Number of membership units issued | shares   21,235,349