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INTANGIBLE ASSETS, NET (Schedule of Estimated Amortization Expense) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Estimated amortization expense    
2019 $ 2,929  
2020 2,880  
2021 2,604  
2022 2,168  
Thereafter 13,848  
Intangible assets, net $ 24,429 $ 27,252