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FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative liabilities $ 11,658 $ 2,103
Derivative liabilities | Currency swap    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative liabilities 6,793 332
Derivative liabilities | Interest rate swap    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative liabilities 4,865 1,771
Money Market Funds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Related rabbi trust assets 3,582 1,982
Money Market Funds | Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and cash equivalents $ 817 $ 808