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Acquisitions - Summary of Fair Values of Assets Acquired and Liabilities Assumed (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Fair Value of Consideration Transferred    
Cash paid   $ 18,000
Wittenstein [Member] | FITBONE Asset Purchase Agreement [Member]    
Fair Value of Consideration Transferred    
Cash paid $ 1,000  
Total fair value of consideration transferred 1,000  
Total fair value of assets acquired 1,000  
Wittenstein [Member] | FITBONE Asset Purchase Agreement [Member] | In-process Research and Development Costs("IPR&D") [Member]    
Fair Value of Consideration Transferred    
In-process research and development costs, recognized within Acquisition-related amortization and remeasurement $ 1,000