Fair Value Measurements and Investments- Schedule of Financial Assets and Liabilities Recorded at Fair Value on Recurring Basis (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets fair value	$ 14,950	$ 14,375
Deferred compensation plan, Liabilities	(1,515)	(1,314)
Liabilities fair value, Total	(1,515)	(18,514)
Spinal Kinetics [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Contingent consideration		(17,200)
Convertible Loan Agreements [Member] | Neo Medical [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets fair value	7,140	7,148
Preferred Equity Securities [Member] | Neo Medical [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets fair value	6,084	5,413
Equity Securities [Member] | Bone Biologics Inc [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets fair value		309
Other Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets fair value	1,726	1,505
Fair Value, Inputs, Level 1 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets fair value		309
Fair Value, Inputs, Level 1 [Member] | Equity Securities [Member] | Bone Biologics Inc [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets fair value		309
Fair Value, Inputs, Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets fair value	6,084	5,413
Deferred compensation plan, Liabilities	(1,515)	(1,314)
Liabilities fair value, Total	(1,515)	(1,314)
Fair Value, Inputs, Level 2 [Member] | Preferred Equity Securities [Member] | Neo Medical [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets fair value	6,084	5,413
Fair Value, Inputs, Level 3 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets fair value	8,866	7,148
Liabilities fair value, Total		(17,200)
Fair Value, Inputs, Level 3 [Member] | Spinal Kinetics [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Contingent consideration		(17,200)
Fair Value, Inputs, Level 3 [Member] | Convertible Loan Agreements [Member] | Neo Medical [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets fair value	7,140	7,148
Fair Value, Inputs, Level 3 [Member] | Other Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets fair value	$ 1,726	$ 1,505