Revenue Recognition and Accounts Receivable - Schedule of Net Sales by Major Product Category by Reporting Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue Recognition And Accounts Receivable [Line Items]
Net sales	$ 118,070	$ 121,394	$ 224,488	$ 226,987
Change	2.70%		(1.10%)
Bone Growth Therapies [Member]
Revenue Recognition And Accounts Receivable [Line Items]
Net sales	$ 47,765	49,706	$ 89,713	92,653
Change	(3.90%)		(3.20%)
Spinal Implants [Member]
Revenue Recognition And Accounts Receivable [Line Items]
Net sales	$ 28,222	30,092	$ 54,837	55,793
Change	(6.20%)		(1.70%)
Biologics [Member]
Revenue Recognition And Accounts Receivable [Line Items]
Net sales	$ 14,795	14,852	$ 28,887	28,544
Change	(0.40%)		1.20%
Global Spine [Member]
Revenue Recognition And Accounts Receivable [Line Items]
Net sales	$ 90,782	94,650	$ 173,437	176,990
Change	4.10%		(2.00%)
Global Orthopedics [Member]
Revenue Recognition And Accounts Receivable [Line Items]
Net sales	$ 27,288	$ 26,744	$ 51,051	$ 49,997
Change	2.00%		2.10%