NONCONTROLLING INTERESTS (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Apr. 30, 2018
Noncontrolling Interest [Line Items]
Noncontrolling interests – consolidated real estate entities	$ 5,565	$ 6,747	$ 8,888
IRET - 71 France, LLC
Noncontrolling Interest [Line Items]
Noncontrolling interests – consolidated real estate entities	4,817	5,918	6,606
IRET - Cypress Court Apartments, LLC
Noncontrolling Interest [Line Items]
Noncontrolling interests – consolidated real estate entities	748	829	890
IRET - Williston Garden Apartments, LLC
Noncontrolling Interest [Line Items]
Noncontrolling interests – consolidated real estate entities	0	0	1,635
IRET - WRH 1, LLC
Noncontrolling Interest [Line Items]
Noncontrolling interests – consolidated real estate entities	0	0	(467)
WRH Holding, LLC
Noncontrolling Interest [Line Items]
Noncontrolling interests – consolidated real estate entities	$ 0	$ 0	$ 224