Quarterly report pursuant to Section 13 or 15(d)

LEASES (Lease Cost) (Details)

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LEASES (Lease Cost) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Leases [Abstract]    
Operating lease cost $ 4,551 $ 20,835
Operating lease cost - related party 5,610 16,830
Variable lease cost 105 1,065
Variable lease cost - related party 5,357 64,968
Short-term lease cost 224 407
Total lease cost $ 15,847 $ 104,105