SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2015 USD ($) Employee Room Property	Sep. 30, 2015 Employee Segment Room Property
Accounting Policies [Abstract]
Number of employees | Employee	131	131
Office, retail, multifamily, and mixed-use Operating properties | Property	23	23
Properties held for development | Property	5	5
Number of operating segments | Segment		4
Room in mixed-use segment all-suite hotel | Room	369	369
Chief Executive Officer [Member]
Restructuring Cost and Reserve [Line Items]
Severance Costs	$ 2.5
Restricted Stock Award, Forfeitures	$ 0.4