Other assets, net and Other liabilities, net - Other Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	May 09, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Payroll	$ 0		$ 5,202
Corporation tax payable	2,826		0
Sundry	3,593		3,422
Other	4,460		6,709
Other liabilities, net	21,101		22,467
Related party
Property, Plant and Equipment [Line Items]
Other liabilities, net	11,000		8,400
AlTi Wealth Management (Switzerland) SA (“AWMS”)
Property, Plant and Equipment [Line Items]
Deferred cash consideration	6,857		7,135
Pointwise Partners Limited ("PW")
Property, Plant and Equipment [Line Items]
Deferred cash consideration	$ 3,365	$ 3,300	$ 0