v2.4.0.6
Mortgage Notes Payable (Narrative) (Details) (USD $)
3 Months Ended 0 Months Ended 3 Months Ended 0 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Feb. 20, 2013
Montvale Center [Member]
Mar. 31, 2012
Montvale Center [Member]
Feb. 05, 2013
Kingstowne One [Member]
Mortgage Notes Payable [Line Items]          
Repayments of Secured Debt $ 23,687,000 $ 150,519,000     $ 17,000,000
Coupon/Stated Rate         5.96%
Maturity date         May 05, 2013
Penalty For Early Repayment Of Debt         0.0
Amount of debt extinguished       25,000,000  
Gain on forgiveness of debt from discontinued operations $ 20,182,000 $ 0 $ 20,200,000