v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Income taxes (Details) - USD ($)
3 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2025
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES    
Unrecognized tax benefits   $ 0
Accrued for interest and penalties   0
Federeal income tax expense on the income earned in the trust account   637,747
Income tax payment $ 500,000  
Capitalized start-up costs   $ 998,592
Federal tax rate   21.00%
Deferred tax asset   $ 209,704