Business and Organization - Additional Information (Detail) - item	3 Months Ended
	Mar. 31, 2016	Jan. 14, 2016
Business and Organization
Ownership interest percentage in properties	100.00%
Lightfoot Marketplace
Business and Organization
Ownership interest percentage in properties	60.00%
Increase in ownership interest due to certain events	70.00%
Johns Hopkins Village
Business and Organization
Ownership interest percentage in properties	80.00%
Noncontrolling interest ownership percentage in properties	20.00%
Period for exchange of ownership interest after project completion	1 year
Brooks Crossing
Business and Organization
Ownership interest percentage in properties	65.00%
Eleven Asset Retail Portfolio
Business and Organization
Number of acquired assets in portfolio		11