Acquisitions and investments - Consideration transferred (Details) - Misonix, Inc $ / shares in Units, $ in Thousands	Oct. 29, 2021 USD ($) $ / shares shares
Business Acquisition [Line Items]
Cash	$ 182,988
Value of Misonix options settled in Bioventus options	27,636
Merger consideration	485,186
Other cash consideration	40,130
Total Misonix consideration	$ 525,316
Common Stock
Business Acquisition [Line Items]
Number of shares issued as consideration in merger (in shares) \| shares	18,340,790
Business acquisition, share price (in dollars per share) \| $ / shares	$ 14.97
Bioventus Class A shares	$ 274,562

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