SEGMENT INFORMATION, Revenues From External Customers (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 150,716	$ 138,509	$ 435,526	$ 412,444
Domestic [Member] | Reportable Geographical Components [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	116,771	105,093	336,298	314,644
Foreign [Member] | Reportable Geographical Components [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 33,945	$ 33,416	$ 99,228	$ 97,800