v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Investments Held in Trust Account (Details) - Spring Valley Acquisition III - USD ($)
10 Months Ended
Dec. 31, 2025
Jun. 30, 2026
Redeemable preferred shares    
Investment maturity term 185 days  
Maximum percentage of interest earned on the Trust Account 5.00%  
Available amount for withdrawal from Trust Account $ 140,482 $ 334,518
Withdrawal of funds from Trust Account $ 0