Consolidated Condensed Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Income Statement [Abstract]
Net sales	$ 137,069	$ 140,331	$ 256,128	$ 257,621
Cost of sales (including depreciation and amortization of $12,301, $9,684, $26,640 and $18,902 respectively)	47,946	43,677	93,086	85,265
Gross profit	89,123	96,654	163,042	172,356
Selling, general and administrative expense	74,844	89,620	155,702	175,744
Research and development expense	3,398	6,366	7,169	13,294
Restructuring costs	620	1,007	937	1,584
Change in fair value of contingent consideration	240	273	527	542
Depreciation and amortization	2,294	2,696	4,423	5,950
Impairment of assets	0	0	78,615	0
Loss on disposal of a business	977	0	977	0
Operating income (loss)	6,750	(3,308)	(85,308)	(24,758)
Interest expense, net	10,587	2,578	20,281	1,028
Other expense (income)	513	604	(1,075)	241
Other expense	11,100	3,182	19,206	1,269
Loss before income taxes	(4,350)	(6,490)	(104,514)	(26,027)
Income tax expense (benefit), net	381	1,244	235	(3,888)
Net loss from continuing operations	(4,731)	(7,734)	(104,749)	(22,139)
Loss from discontinued operations, net of tax	0	(280)	(74,429)	(681)
Net loss	(4,731)	(8,014)	(179,178)	(22,820)
Loss attributable to noncontrolling interest - continuing operations	1,050	762	21,410	4,291
Loss attributable to noncontrolling interest - discontinued operations	0	0	14,937	0
Net loss attributable to Bioventus Inc.	(3,681)	(7,252)	(142,831)	(18,529)
Change in foreign currency translation adjustments	303	(507)	960	(1,189)
Comprehensive loss	(4,428)	(8,241)	(103,789)	(23,328)
Comprehensive loss attributable to noncontrolling interest - continuing operations	989	868	21,215	4,537
Comprehensive loss attributable to noncontrolling interest - discontinued operations	0	0	14,937	0
Comprehensive loss attributable to Bioventus Inc.	$ (3,439)	$ (7,373)	$ (67,637)	$ (18,791)
Loss per share of Class A common stock
Loss per share of Class A common stock from continuing operations, basic (in dollars per share)	$ (0.06)	$ (0.11)	$ (1.34)	$ (0.29)
Loss per share of Class A common stock from continuing operations, diluted (in dollars per share)	(0.06)	(0.11)	(1.34)	(0.29)
Loss per share of Class A common stock from discontinuing operations, basic (in dollars per share)	0	0	(0.95)	(0.01)
Loss per share of Class A common stock from discontinuing operations, diluted (in dollars per share)	0	0	(0.95)	(0.01)
Loss per share of class A common stock, basic (in dollars per share)	(0.06)	(0.11)	(2.29)	(0.30)
Loss per share of class A common stock, diluted (in dollars per share)	$ (0.06)	$ (0.11)	$ (2.29)	$ (0.30)
Weighted-average shares of Class A common stock outstanding
Basic (in shares)	62,551,285	61,475,350	62,338,018	60,977,556
Diluted (in shares)	62,551,285	61,475,350	62,338,018	60,977,556