Property and Equipment, net - Property and Equipment, Net (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 341,785	$ 276,711
Less: accumulated depreciation	(170,355)	(126,876)
Property and equipment, net	$ 171,430	149,835
Surgical instruments
Property, Plant and Equipment [Line Items]
Useful life (in years)	4 years
Property and equipment, gross	$ 285,159	224,357
Machinery and equipment
Property, Plant and Equipment [Line Items]
Useful life (in years)	7 years
Property and equipment, gross	$ 12,619	11,633
Computer equipment
Property, Plant and Equipment [Line Items]
Useful life (in years)	8 years
Property and equipment, gross	$ 31,919	5,778
Office furniture and equipment
Property, Plant and Equipment [Line Items]
Useful life (in years)	5 years
Property and equipment, gross	$ 6,811	6,225
Leasehold improvements
Property, Plant and Equipment [Line Items]
Useful lives	various
Property and equipment, gross	$ 4,374	3,986
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 903	$ 24,732