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Stockholders’ equity - Narrative (Details)
 3 Months Ended
Feb. 16, 2021
$ / shares
shares
Mar. 30, 2024
vote
$ / shares
shares
Dec. 31, 2023
$ / shares
shares
Class of Stock [Line Items]      
Preferred stock, shares authorized (in shares) 10,000,000 10,000,000 10,000,000
Common Class A      
Class of Stock [Line Items]      
Common stock, shares authorized (in shares) 250,000,000 250,000,000 250,000,000
Common stock, par value (in dollars per share) | $ / shares $ 0.001 $ 0.001 $ 0.001
Number of votes per common share | vote   1  
Shares issued or issuable, required stock to LLC interest ratio   1  
Common Class A | Bioventus Inc.      
Class of Stock [Line Items]      
Number of shares issued in acquisition (in shares) 31,838,589    
Common Class A | IPO      
Class of Stock [Line Items]      
Number of shares issued in public offering (in shares) 9,200,000    
Common Class B      
Class of Stock [Line Items]      
Common stock, shares authorized (in shares) 50,000,000 50,000,000 50,000,000
Common stock, par value (in dollars per share) | $ / shares $ 0.001 $ 0.001 $ 0.001
Cancellation ratio, required stock to LLC interest ratio   1