Acquisitions - Summary of Fair Values of Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2021	Sep. 30, 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
In-process research and development costs, recognized within Acquisition-related amortization and remeasurement	1,000
Total fair value of assets acquired	$ 1,000

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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