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CASH AND CASH EQUIVALENTS (Tables)
6 Months Ended
Jun. 30, 2018
Cash and Cash Equivalents [Abstract]  
Schedule of Cash and Cash Equivalents
(in thousands)   June 30, 2018     December 31, 2017  
             
Checking and bank deposits   $ 96,995     $ 55,682  
Money market funds     8,677       1,036  
Total   $ 105,672     $ 56,718