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SUBSEQUENT EVENTS (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2019
Jun. 30, 2019
Jun. 30, 2019
Jun. 30, 2018
Subsequent Event [Line Items]        
Payment of interest on redeemable noncontrolling interest     $ 16,000 $ 0
Payment related to redeemable noncontrolling interest agreement   $ 41,000 $ 41,000 $ 0
Equity Method Investment, Ownership Percentage   21.40% 21.40%  
Subsequent Event [Member]        
Subsequent Event [Line Items]        
Payment related to redeemable noncontrolling interest agreement $ 30,700      
Equity Method Investment, Ownership Percentage 64.30%      
RDIF [Member] | Subsequent Event [Member]        
Subsequent Event [Line Items]        
Equity Method Investment, Ownership Percentage 35.70%