Stockholders’ equity - Noncontrolling interest (Details) - BV LLC - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Apr. 02, 2022	Dec. 31, 2021
Class of Stock [Line Items]
LLC Interests	$ 61,357	$ 59,548
Ownership %	79.50%	79.00%
Continuing LLC Owner
Class of Stock [Line Items]
LLC Interests	$ 15,787	$ 15,787
Ownership %	20.50%	21.00%
Bioventus and Continuing LLC Owner
Class of Stock [Line Items]
LLC Interests	$ 77,144	$ 75,335
Ownership %	100.00%	100.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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- Definition

Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

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- Definition

Amount of ownership interest in a limited liability company (LLC), including portions attributable to both the parent and noncontrolling interests.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=125520817&loc=d3e70191-108054

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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