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ACCOUNTING PRONOUNCEMENTS (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Increase (Decrease) in Prepaid Expense and Other Assets $ 592 $ (246)    
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents $ 29,896 $ 29,058 $ 31,718 $ 41,060