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Merger - Schedule of Intangible Assets Acquired (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Nov. 13, 2023
Business Acquisition [Line Items]
Impairment	$ 0
Carrying value	$ 150,600,000	$ 150,600,000
Old Cartesian
Business Acquisition [Line Items]
Acquisition Date Fair Value			$ 150,600,000
Old Cartesian | Descartes-08 for MG
Business Acquisition [Line Items]
Acquisition Date Fair Value			93,900,000
Old Cartesian | Descartes-08 for SLE
Business Acquisition [Line Items]
Acquisition Date Fair Value			$ 56,700,000

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