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INCOME TAXES (Details 5) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Amount of unrecognized tax benefits as of the beginning of the year $ 2,005 $ 1,153
Decreases as a result of tax positions taken in a prior period (1,527) 0
Increases as a result of tax positions taken in a prior period 60 638
Increases as a result of tax positions taken in the current period 220 214
Amount of unrecognized tax benefits as of the end of the year 758 2,005
Unrecognized tax benefits that would affect the effective tax rate 600 2,100
Unrecognized tax benefits, income tax penalties and interest accrued $ 100 $ 200