Business Segment Information - Summary of EBIDTA by Reporting Segment (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Total EBITDA	$ 29,697,000	$ 32,661,000	$ (2,228,000)
Depreciation and amortization	(29,599,000)	(30,546,000)	(24,699,000)
Goodwill, Impairment	(11,756,000)
Interest expense, net	(1,837,000)	(2,483,000)	(122,000)
Loss before income taxes	(13,495,000)	(368,000)	(27,049,000)
Global Spine [Member]
Segment Reporting Information [Line Items]
Goodwill, Impairment	0
Global Orthopedics [Member]
Segment Reporting Information [Line Items]
Goodwill, Impairment	(11,756,000)
Operating Segments [Member] | Global Spine [Member]
Segment Reporting Information [Line Items]
Total EBITDA	58,014,000	63,036,000	39,528,000
Operating Segments [Member] | Global Orthopedics [Member]
Segment Reporting Information [Line Items]
Total EBITDA	3,374,000	(4,993,000)	7,496,000
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Total EBITDA	$ (31,691,000)	$ (25,382,000)	$ (49,252,000)