Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v2.4.0.8
Subsequent Events (Details) (USD $)
0 Months Ended
Dec. 31, 2013
units
Dec. 31, 2012
Dec. 31, 2011
Feb. 21, 2014
Yale West [Member]
Subsequent Event [Member]
units
Jan. 21, 2014
Medical Office Building [Member]
Medical Office Porfolio [Member]
Subsequent Event [Member]
Subsequent Event [Line Items]          
Sale Price $ 516,500,000 $ 23,000,000 $ 409,700,000   $ 193,561,000
Units 2,674     216  
Value of Assets Acquired       73,000,000  
Value of Liabilities Assumed       $ 48,200,000