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INVESTMENTS - Schedule of Marketable Securities, Classified as Available-For-Sale (Details)
$ in Thousands
Jun. 30, 2016
USD ($)
Schedule of Available-for-sale Securities [Line Items]  
Amortized Cost $ 48,022
Gross Unrealized Gains 3
Gross Unrealized Losses (136)
Fair Market Value 47,889
Corporate debt securities  
Schedule of Available-for-sale Securities [Line Items]  
Amortized Cost 33,267
Gross Unrealized Gains 0
Gross Unrealized Losses (135)
Fair Market Value 33,132
Asset-backed securities  
Schedule of Available-for-sale Securities [Line Items]  
Amortized Cost 14,755
Gross Unrealized Gains 3
Gross Unrealized Losses (1)
Fair Market Value $ 14,757