Property and equipment, net - Schedule of Furniture, Equipment and Leasehold Improvements, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Property, Plant, and Equipment [Line Items]
Total	$ 96,857	$ 94,243
Accumulated depreciation and amortization	(43,682)	(36,646)
Total property and equipment, net	53,175	57,597
Furniture and equipment
Property, Plant, and Equipment [Line Items]
Total	24,627	23,826
Leasehold improvements
Property, Plant, and Equipment [Line Items]
Total	65,785	65,524
Software
Property, Plant, and Equipment [Line Items]
Total	4,741	4,595
Construction in progress
Property, Plant, and Equipment [Line Items]
Total	$ 1,704	$ 298