FAIR VALUE MEASUREMENTS AND DERIVATIVES - Summary of Fair Value on Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Assets:
Fair value of Assets		$ 902
Liabilities:
Fair value of Liabilities	$ 5,389
Derivative Financial Instruments [Member] | Other Current Assets [Member]
Assets:
Fair value of Assets		250
Derivative Financial Instruments [Member] | Other Non-Current Assets [Member]
Assets:
Fair value of Assets		652
Derivative Financial Instruments [Member] | Other Current Liabilities [Member]
Liabilities:
Fair value of Liabilities	1,847
Derivative Financial Instruments [Member] | Other Long Term Liabilities [Member]
Liabilities:
Fair value of Liabilities	3,542
Fair Value, Inputs, Level 2 [Member]
Assets:
Fair value of Assets		902
Liabilities:
Fair value of Liabilities	5,389
Fair Value, Inputs, Level 2 [Member] | Derivative Financial Instruments [Member] | Other Current Assets [Member]
Assets:
Fair value of Assets		250
Fair Value, Inputs, Level 2 [Member] | Derivative Financial Instruments [Member] | Other Non-Current Assets [Member]
Assets:
Fair value of Assets		$ 652
Fair Value, Inputs, Level 2 [Member] | Derivative Financial Instruments [Member] | Other Current Liabilities [Member]
Liabilities:
Fair value of Liabilities	1,847
Fair Value, Inputs, Level 2 [Member] | Derivative Financial Instruments [Member] | Other Long Term Liabilities [Member]
Liabilities:
Fair value of Liabilities	$ 3,542