REVENUE (Tables)

12 Months Ended

Dec. 31, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue by Source and Geography

The following table presents revenues disaggregated by revenue source (in thousands). Sales and usage-based taxes are excluded from revenues.

	2018		2017		2016
Product Sales	$	590,790	$	542,065	$	505,174
Co-manufacturing	41,348		41,658		39,396
Bill and Hold	4,612		4,094		3,061
Consignment	2,442		2,333		2,170
Product Sales Revenue	639,192		590,150		549,801
Royalty Revenue	4,487		4,640		3,403
Total	$	643,679	$	594,790	$	553,204

The following table presents revenues disaggregated by geography, based on the billing addresses of customers (in thousands):

	2018		2017		2016
United States	$	482,691	$	460,599	$	420,821
Foreign Countries	160,988		134,191		132,383
Total	$	643,679	$	594,790	$	553,204