Business Segment Information - Summary of EBIDTA by Reporting Segment (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting Information [Line Items]
Consolidated adjusted EBITDA	$ 13,521	$ 14,255	$ 26,644	$ 32,787
Interest expense, net	1,576	277	4,131	1,059
Depreciation and amortization	13,097	7,570	39,094	21,598
Share-based compensation expense	6,274	4,729	32,540	13,521
Foreign exchange impact	1,909	3,253	1,057	7,486
SeaSpine merger-related costs	5,416		34,362
Strategic investments	913	3,390	1,883	6,184
Acquisition-related fair value adjustments	7,122	419	26,907	(15,795)
Legal judgments/settlements	3,851	125	5,611	466
Medical device regulation	1,840	2,590	7,519	6,883
Business interruption - COVID-19		1,215		1,874
All other	(92)	59	170	230
Loss before income taxes	(28,385)	(9,372)	(126,630)	(10,719)
Operating Segments [Member] \| Global Spine [Member]
Segment Reporting Information [Line Items]
Consolidated adjusted EBITDA	22,593	16,601	58,832	45,244
Operating Segments [Member] \| Global Orthopedics [Member]
Segment Reporting Information [Line Items]
Consolidated adjusted EBITDA	477	2,648	386	2,624
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Consolidated adjusted EBITDA	$ (9,549)	$ (4,994)	$ (32,574)	$ (15,081)

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