STRAIGHT-LINE RENTAL INCOME AND RELATED EXPENSES (Narrative) (Details)	9 Months Ended
Sep. 30, 2012 M Y
Straight-line Rental Income And Related Expenses 1	1
Straight-line Rental Income And Related Expenses 2	20
Straight-line Rental Income And Related Expenses 3	2
Straight-line Rental Income And Related Expenses 4	12

Straight-line Rental Income And Related Expenses 4

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