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RECEIVABLES (Schedule of Related Party Receivables) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Receivables [Abstract]    
Related party receivables $ 12,144 $ 12,376
Allowance for doubtful accounts (12,144) (9,035)
Related party receivables, net 0 3,341
Notes receivable from related parties 13,403 13,403
Allowance for doubtful accounts (13,403) (13,403)
Notes receivable from related parties, net 0 0
Related party receivables, net $ 0 $ 3,341