Business of Organization - Schedule of Properties Under Development or Construction (Details)	3 Months Ended
	Mar. 31, 2018
Premier (Town Center Phase VI) | Mixed-use
Business And Organization [Line Items]
Ownership interest percentage in properties	100.00%
Greenside (Harding Place) | Multifamily
Business And Organization [Line Items]
Ownership interest percentage in properties	80.00%
Harding Place
Business And Organization [Line Items]
Percentage of preferred return on investment	9.00%
Hoffler Place (King Street) | Multifamily
Business And Organization [Line Items]
Ownership interest percentage in properties	92.50%
Summit Place (Meeting Street) | Multifamily
Business And Organization [Line Items]
Ownership interest percentage in properties	90.00%
Brooks Crossing
Business And Organization [Line Items]
Percentage of preferred return on investment	8.00%
Brooks Crossing | Office
Business And Organization [Line Items]
Ownership interest percentage in properties	65.00%
Brooks Crossing | Retail
Business And Organization [Line Items]
Ownership interest percentage in properties	65.00%
Lightfoot Outparcel
Business And Organization [Line Items]
Percentage of preferred return on investment	9.00%
Lightfoot Outparcel | Retail
Business And Organization [Line Items]
Ownership interest percentage in properties	70.00%
Market at Mill Creek
Business And Organization [Line Items]
Percentage of preferred return on investment	10.00%
Market at Mill Creek | Retail
Business And Organization [Line Items]
Ownership interest percentage in properties	70.00%
River City | Industrial
Business And Organization [Line Items]
Ownership interest percentage in properties	100.00%