Fair Value Measurements and Investments - Schedule of Valuation Methodology and Unobservable Inputs for Level 3 Assets and Liabilities Measured at Fair Value (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Spinal Kinetics [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Contingent consideration estimated fair value		$ 17,200
Decrease in fair value recognized in acquisition-related amortization and remeasurement		(17,200)
Neo Medical [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Neo Medical Convertible Loan	$ 6,760
Fair value discount rate	19.30%
Present value factor	15.30%
Fair value implied volatility	81.10%
Lattus Spine [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Consideration transferred	$ 8,500
Counterparty discount rate	14.00%
Revenue risk-adjusted discount rate	6.50%
Lattus Spine [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Contingent consideration estimated fair value	$ 11,200
Decrease in fair value recognized in acquisition-related amortization and remeasurement	(2,700)
Contingent consideration estimated fair value at December 31	$ 8,500	$ 11,200