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GEOGRAPHIC INFORMATION - Net Sales and Long Lived Assets by Region (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Sales $ 148,594 $ 147,597 $ 156,113 $ 148,815 $ 136,436 $ 126,205 $ 151,537 $ 126,788 $ 601,119 $ 540,966 $ 492,776
Long - Lived Assets 71,232       51,094       71,232 51,094 43,669
North America                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Sales                 537,308 467,161 399,434
Long - Lived Assets 68,556       48,589       68,556 48,589 41,176
Foreign                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Sales                 63,811 73,805 93,342
Long - Lived Assets $ 2,676       $ 2,505       $ 2,676 $ 2,505 $ 2,493