RENTAL INCOME (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
RENTAL INCOME
Percentage of rental income related to residential apartments and condominium units with leases of one year or less	93.00%
Maximum period of non-cancelable operating lease	1 year
Percentage of rental income related to commercial properties	7.00%
Minimum future rental income
2016	$ 2,751,000
2017	2,164,000
2018	1,873,000
2019	1,318,000
2020	855,000
Thereafter	594,000
Commercial Property Leases	9,555,000
Aggregate contingent rentals from continuing operations	$ 158,000	$ 182,000