RENTAL INCOME (Details) - USD ($)	9 Months Ended
	Sep. 30, 2016	Sep. 30, 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
2017	$ 2,434,000
2018	2,066,000
2019	1,634,000
2020	1,065,000
2021	763,000
Thereafter	356,000
Commercial Property Leases	8,318,000
Aggregate contingent rentals from continuing operations	$ 444,000	$ 521,000