FAIR VALUE OF FINANCIAL INSTRUMENTS, DERIVATIVES AND FAIR VALUE DISCLOSURES (Fair Values of Assets and Liabilities Measured on Recurring Basis) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Interest Rate Swaps and Collar [Member]
Derivative Asset		$ 0
Derivative liability		(10,159)
Interest Rate Swaps and Collar [Member] | Fair Value, Inputs, Level 1 [Member]
Derivative Asset		0
Derivative liability		0
Interest Rate Swaps and Collar [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative Asset		0
Derivative liability		$ (10,159)
Interest Rate Swap [Member]
Derivative Asset	$ 0
Derivative liability	(27,418)
Interest Rate Swap [Member] | Fair Value, Inputs, Level 1 [Member]
Derivative Asset	0
Derivative liability	0
Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative Asset	0
Derivative liability	$ (27,418)