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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Revenue Recognition (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Enacted Corporate Tax 35.00%  
New Enacted Corporate Tax Rate 21.00%  
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification   $ 108,367