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BASIS OF PRESENTATION - Recent Accounting Pronouncements (Details) - Accounting Standards Update 2016-09 - USD ($)
$ in Thousands
 6 Months Ended
Jan. 01, 2017
Jun. 30, 2017
Cumulative Effect on Retained Earnings, Net of Tax   $ 110
Additional Paid In Capital    
Cumulative Effect on Retained Earnings, Net of Tax $ (300)  
Retained Earnings    
Cumulative Effect on Retained Earnings, Net of Tax $ 300