FAIR VALUE DISCLOSURES (Schedule of Assets at Fair Value) (Details) - Recurring Basis - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Real estate equity securities	$ 81,439	$ 73,876
Asset derivative - interest rate caps	12	34
Liability derivative - foreign currency collar	(179)	(4,393)
Quoted Prices in Active Markets  for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Real estate equity securities	81,439	73,876
Asset derivative - interest rate caps	0	0
Liability derivative - foreign currency collar	0	0
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Real estate equity securities	0	0
Asset derivative - interest rate caps	12	34
Liability derivative - foreign currency collar	(179)	(4,393)
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Real estate equity securities	0	0
Asset derivative - interest rate caps	0	0
Liability derivative - foreign currency collar	$ 0	$ 0