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INVESTMENTS IN UNCONSOLIDATED AFFILIATES (Tables)
9 Months Ended
Sep. 30, 2018
Equity Method Investments and Joint Ventures [Abstract]  
Carrying values of investments in unconsolidated entities
The carrying values of investments in unconsolidated affiliates, categorized by type of investment, is as follows (in thousands):
 
September 30, 2018
Equity method investment
$
5,071

Non-marketable equity security investment
3,018

 
$
8,089