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RELATED-PARTY TRANSACTIONS - Narrative (Details) - Special Committee Investigation Indemnification - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Executive Officers and Directors    
Related Party Transaction [Line Items]    
Expenses from transactions with related parties $ 120  
Former President And Chief Executive Officer    
Related Party Transaction [Line Items]    
Expenses from transactions with related parties   $ 2,200
Former Interim Chief Financial Officer and Chief Strategy Officer    
Related Party Transaction [Line Items]    
Expenses from transactions with related parties   555
Former General Counsel    
Related Party Transaction [Line Items]    
Expenses from transactions with related parties   $ 147