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RENTAL INCOME (Details) (USD $)	6 Months Ended
	Jun. 30, 2012 squarefoot item	Jun. 30, 2011	Dec. 31, 2011
RENTAL INCOME
Percentage of rental income related to residential apartments and condominium units with leases of one year or less	90.00%
Maximum period of non-cancellable operating lease	1 year
Percentage of rental income related to commercial properties	10.00%
Minimum future rental income
2013	$ 2,549,000
2014	2,187,000
2015	1,636,000
2016	1,434,000
2017	590,000
Thereafter	909,000
Commercial Property Leases	9,305,000
Aggregate contingent rentals from continuing operations	310,000	363,000
RENTAL INCOME
Annual base rent for expiring leases	2,836,792
Total square feet for expiring leases	110,805
Total number of leases expiring	44
Percentage of annual base rent for expiring leases	100.00%
Allowance for doubtful rent receivable	501,000		448,000
Recognizing rental income from non-cancelable commercial leases with future rental increases on a straight-line basis	299,000
Deferred rental concession	17,000
Amortization of deferred rents	3,000
Through June 30, 2013
RENTAL INCOME
Annual base rent for expiring leases	277,224
Total square feet for expiring leases	15,712
Total number of leases expiring	9
Percentage of annual base rent for expiring leases	10.00%
Through June 30, 2014
RENTAL INCOME
Annual base rent for expiring leases	224,723
Total square feet for expiring leases	9,140
Total number of leases expiring	9
Percentage of annual base rent for expiring leases	8.00%
Through June 30, 2015
RENTAL INCOME
Annual base rent for expiring leases	557,565
Total square feet for expiring leases	27,640
Total number of leases expiring	9
Percentage of annual base rent for expiring leases	20.00%
Through June 30, 2016
RENTAL INCOME
Annual base rent for expiring leases	748,985
Total square feet for expiring leases	26,298
Total number of leases expiring	7
Percentage of annual base rent for expiring leases	26.00%
Through June 30, 2017
RENTAL INCOME
Annual base rent for expiring leases	476,797
Total square feet for expiring leases	16,272
Total number of leases expiring	5
Percentage of annual base rent for expiring leases	17.00%
Through June 30, 2018
RENTAL INCOME
Annual base rent for expiring leases	221,666
Total square feet for expiring leases	7,037
Total number of leases expiring	1
Percentage of annual base rent for expiring leases	8.00%
Through June 30, 2019
RENTAL INCOME
Annual base rent for expiring leases	0
Total square feet for expiring leases	0
Total number of leases expiring	0
Percentage of annual base rent for expiring leases	0.00%
Through June 30, 2020
RENTAL INCOME
Annual base rent for expiring leases	265,032
Total square feet for expiring leases	6,906
Total number of leases expiring	3
Percentage of annual base rent for expiring leases	9.00%
Through June 30, 2021
RENTAL INCOME
Annual base rent for expiring leases	64,800
Total square feet for expiring leases	1,800
Total number of leases expiring	1
Percentage of annual base rent for expiring leases	2.00%
Through June 30, 2022
RENTAL INCOME
Annual base rent for expiring leases	$ 0
Total square feet for expiring leases	0
Total number of leases expiring	0
Percentage of annual base rent for expiring leases	0.00%

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- Definition

Represents the amount of allowance for doubtful accounts related to rents receivable.

+ References

No definition available.

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- Definition

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- Definition

Represents the amount of annual rent to be receivable for leases to be expired.

+ References

No definition available.

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- Definition

Represents the deferred rental concessions on real estate properties.

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- Definition

Represents the maximum period of non-cancellable operating leases.

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Represents the percentage of rental income related to commercial real estate property.

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- Definition

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- Definition

Represents the amount resulting from recognizing rental income from non-cancelable commercial leases with future rental increases on a straight-line basis, which is included in rents receivable.

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- Definition

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- Definition

Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

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- Definition

Future rental payments receivable within one year of the balance sheet date under an operating lease.

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Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.

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Future rental payments receivable within the second year from the balance sheet date under an operating lease.

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Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date.

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- Definition

Amount of contingent rental revenue recognized for the period under lease, based on the occurrences of an event or condition.

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