Dispositions Dispositions (Table Details) - Income Producing Property Sold [Member] $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($)	Feb. 19, 2016 ft²	Feb. 11, 2016 ft²
Acquisitions And Dispositions [Line Items]
Sales of Real Estate	$ 10,300
Sherwood South [Member] | Baton Rouge [Member]
Acquisitions And Dispositions [Line Items]
Net Rentable Area | ft²		77,489
Sales of Real Estate	3,000
Plaza Acadienne [Member] | Eunice [Member]
Acquisitions And Dispositions [Line Items]
Net Rentable Area | ft²		59,419
Sales of Real Estate	1,775
Beauclerc Village [Member] | Jacksonville [Member]
Acquisitions And Dispositions [Line Items]
Net Rentable Area | ft²			68,966
Sales of Real Estate	$ 5,525