Stockholders’ equity - Schedule of Other Ownership Interests (Details) - BV LLC - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jul. 01, 2023	Dec. 31, 2022
Class of Stock [Line Items]
LLC Interests	$ 62,805	$ 62,063
Ownership %	79.90%	79.70%
Continuing LLC Owner
Class of Stock [Line Items]
LLC Interests	$ 15,787	$ 15,787
Ownership %	20.10%	20.30%
Bioventus and Continuing LLC Owner
Class of Stock [Line Items]
LLC Interests	$ 78,592	$ 77,850
Ownership %	100.00%	100.00%