v3.25.2
Fair Value Measurements - Schedule of assets held in the Trust Account (Detail) - Fair Value, Inputs, Level 1 [Member] - USD ($)
 6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Schedule of Investments [Line Items]    
Held-To-Maturity Jul. 01, 2025 Feb. 06, 2025
Money Market Investment [Member]    
Schedule of Investments [Line Items]    
Amortized Cost $ 816 $ 2,216
Unrealized Gain (Loss) 0 0
Fair Value 816 2,216
US Treasury Securities [Member]    
Schedule of Investments [Line Items]    
Amortized Cost 302,300,456 296,120,431
Unrealized Gain (Loss) 68,544 13,050
Fair Value $ 302,369,000 $ 296,133,481