Business Segment Information - Schedule of Net Sales by Reporting Segment (Detail) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
|
| Segment Reporting Information [Line Items] | ||
| Net sales | $ 108,709 | $ 102,738 |
| Change | 5.80% | |
| BioStim [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Net sales | $ 46,163 | 44,539 |
| Change | 3.60% | |
| Biologics [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Net sales | $ 14,335 | 14,987 |
| Change | (4.40%) | |
| Extremity Fixation [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Net sales | $ 27,504 | 23,945 |
| Change | 14.90% | |
| Spine Fixation [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Net sales | $ 20,707 | $ 19,267 |
| Change | 7.50% | |