SEGMENT INFORMATION, Revenues From External Customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 147,082	$ 138,794	$ 284,810	$ 273,935
Domestic [Member] | Reportable Geographical Components [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	113,227	105,379	219,527	209,550
Foreign [Member] | Reportable Geographical Components [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 33,855	$ 33,415	$ 65,283	$ 64,385