Subsequent Events (Details) - USD ($) $ in Millions			12 Months Ended
	Jun. 06, 2016	Apr. 07, 2016	Dec. 31, 2015	Aug. 10, 2016
Subsequent Event
Subsequent Event [Line Items]
Stock redemptions approved (in shares)				93,119.566
Aggregate redemption payment of shares approved				$ 0.5
Lakewood Flats [Member] | Subsequent Event
Subsequent Event [Line Items]
Sales of Real Estate		$ 68.8
Behringer Harvard Opportunity II Advisors [Member]
Subsequent Event [Line Items]
Administrative Services Costs, Real Estate Management	$ 1.3		$ 1.5
Behringer Harvard Opportunity II Advisors [Member] | Subsequent Event
Subsequent Event [Line Items]
Administrative Services Costs, Real Estate Management	$ 1.3