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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Recent Accounting Developments) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Jan. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Retained earnings $ 51,534 $ 100,683  
Difference between Revenue Guidance in Effect before and after Topic 606 | Accounting Standards Update 2014-09      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Retained earnings     $ 48,700