Fair Value Measurement on a Recurring Basis - Schedule of Assets Measured at Fair Value on Recurring Basis and Fair Value Hierarchy of Inputs (Details) - USD ($)	Jun. 30, 2026	Dec. 31, 2025
Assets:
Assets held in Trust Account – U.S. government debt securities	$ 255,968,719	$ 251,587,731
Fair Value, Recurring [Member]
Assets:
Total Assets	255,968,719	251,587,731
Fair Value, Recurring [Member] \| Quoted Prices in Active Markets (Level 1) [Member]
Assets:
Total Assets	255,968,719	251,587,731
Fair Value, Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member]
Assets:
Total Assets
Fair Value, Recurring [Member] \| Significant Other Unobservable Inputs (Level 3) [Member]
Assets:
Total Assets
Fair Value, Recurring [Member] \| U.S. government debt securities [Member]
Assets:
Assets held in Trust Account – U.S. government debt securities	255,968,719	251,587,731
Fair Value, Recurring [Member] \| U.S. government debt securities [Member] \| Quoted Prices in Active Markets (Level 1) [Member]
Assets:
Assets held in Trust Account – U.S. government debt securities	255,968,719	251,587,731
Fair Value, Recurring [Member] \| U.S. government debt securities [Member] \| Significant Other Observable Inputs (Level 2) [Member]
Assets:
Assets held in Trust Account – U.S. government debt securities
Fair Value, Recurring [Member] \| U.S. government debt securities [Member] \| Significant Other Unobservable Inputs (Level 3) [Member]
Assets:
Assets held in Trust Account – U.S. government debt securities