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CASH AND RESTRICTED CASH (Note)
 6 Months Ended
Jun. 30, 2019
Cash and Cash Equivalents [Abstract]  
CASH AND RESTRICTED CASH CASH AND RESTRICTED CASH
Total cash, cash equivalents, restricted cash and restricted cash equivalents consist of the following (in thousands):
 
June 30,
2019
 
December 31,
2018
Cash and cash equivalents
$
51,332

 
$
105,102

Restricted cash and cash equivalents
58

 
56

Total cash, cash equivalents, restricted cash and restricted cash equivalents
$
51,390

 
$
105,158