Significant accounting policies (Details) - USD ($)	7 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2023
Significant Accounting Policies
Net loss	$ (123,960)	$ 2,911,033
Subsequent accretion of carrying value to redemption value	(14,626,896)	(3,651,188)
Net loss including accretion of carrying value to redemption value	$ (14,750,856)	$ (740,155)