v3.25.2
Summary of Significant Accounting Policies - Schedule of calculation of basic and diluted net income (loss) per ordinary share (Detail) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2023
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Class A Redeemable Ordinary Shares [Member]            
Basic net income (loss) per share:            
Allocation of net income (loss) $ 0 $ 660,571 $ 1,388,502 $ 2,788,943 $ 1,093,272 $ 6,325,884
Weighted-average shares outstanding 0 28,750,000 17,569,444 28,750,000 8,736,188 18,825,342
Basic income (loss) per share $ 0 $ 0.02 $ 0.08 $ 0.1 $ 0.13 $ 0.34
Diluted net income (loss) per share:            
Allocation of net income diluted $ 0 $ 660,571 $ 1,368,414 $ 2,788,943 $ 1,080,626 $ 6,304,223
Weighted-average shares outstanding 0 28,750,000 17,569,444 28,750,000 8,736,188 18,825,342
Diluted income per share $ 0 $ 0.02 $ 0.08 $ 0.1 $ 0.13 $ 0.33
Class A and B Non Redeemable Ordinary shares [Member]            
Basic net income (loss) per share:            
Allocation of net income (loss) $ (18,958) $ 181,801 $ 574,225 $ 767,566 $ 845,363 $ 2,465,990
Weighted-average shares outstanding 6,250,000 7,912,500 7,265,972 7,912,500 6,755,180 7,338,596
Basic income (loss) per share $ 0 $ 0.02 $ 0.08 $ 0.1 $ 0.13 $ 0.34
Diluted net income (loss) per share:            
Allocation of net income diluted $ 0 $ 181,801 $ 594,313 $ 767,566 $ 858,009 $ 2,487,651
Weighted-average shares outstanding 0 7,912,500 7,630,556 7,912,500 6,936,464 7,428,493
Diluted income per share $ 0 $ 0.02 $ 0.08 $ 0.1 $ 0.12 $ 0.33