Segment Information - Schedule of Each Segment's Profit (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Segment Reporting Information [Line Items]
Revenues	$ 214,094	$ 149,930
Adjusted EBITDA	39,473
Acquisition and integration costs	17,052
Restructuring and related charges	1,591
Interest expense	7,666	3,454
Depreciation and amortization	3,582	1,123
Income before income taxes	9,582	28,493
Total assets	2,070,588		$ 482,079
Healthcare
Segment Reporting Information [Line Items]
Revenues	156,527	$ 149,930
Adjusted EBITDA	26,129
Total assets	456,017
Nutrition
Segment Reporting Information [Line Items]
Revenues	57,567
Adjusted EBITDA	13,344
Total assets	$ 1,614,571

Adjusted earning before interest tax depreciation and amortization.

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