CONCENTRATIONS (Tables)

9 Months Ended

Sep. 30, 2015

Revenues

Concentrations

Schedule of concentration risk from properties

	Three Months Ended September 30,						Nine Months Ended September 30,
	2015			2014			2015			2014
California		62.4	%		60.3	%		62.6	%		60.3	%
Washington, D.C.		24.0			24.9			24.1			24.5
Texas		8.0			8.0			7.8			7.8
North Carolina		4.6			4.6			4.6			5.3
New York		1.0			2.2			0.9			2.1
		100.0	%		100.0	%		100.0	%		100.0	%

Real estate investments

Concentrations

Schedule of concentration risk from properties

	September 30, 2015			December 31, 2014
California		52.8	%		52.3	%
Washington, D.C.		30.9			31.2
Texas		7.4			7.4
North Carolina		5.3			5.5
New York		3.6			3.6
		100.0	%		100.0	%