Significant Accounting Policies - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Sep. 30, 2019
Summary Of Significant Accounting Policies [Line Items]
Freezing amount in cash resulted from court pending legal action issued				$ 500,000
Advertising costs	$ 500,000	$ 900,000	$ 800,000
Musculoskeletal Transplant Foundation ("MTF") [Member]
Summary Of Significant Accounting Policies [Line Items]
Expenditures for other research and development	800,000	800,000	0
Neo Medical SA [Member]
Summary Of Significant Accounting Policies [Line Items]
Expenditures for other research and development	600,000
nView medical Inc [Member]
Summary Of Significant Accounting Policies [Line Items]
Expenditures for other research and development	0
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Transactional foreign currency gains and (losses), including those generated from intercompany operations	$ (4,000,000.0)	3,900,000	$ (1,400,000)
Maximum [Member] | Neo Medical SA [Member]
Summary Of Significant Accounting Policies [Line Items]
Expenditures for other research and development		$ 100,000