Business and Organization - Schedule of Properties Under Development or Construction (Details)	12 Months Ended
	Dec. 31, 2018
Town Center Phase VI | Multifamily
Business and Organization
Ownership interest percentage in property	100.00%
Town Center Phase VI | Retail
Business and Organization
Ownership interest percentage in property	100.00%
Greenside (Harding Place) | Multifamily
Business and Organization
Ownership interest percentage in property	80.00%
Hoffler Place (King Street) | Multifamily
Business and Organization
Ownership interest percentage in property	93.00%
Summit Place (Meeting Street) | Multifamily
Business and Organization
Ownership interest percentage in property	90.00%
Brooks Crossing | Retail
Business and Organization
Ownership interest percentage in property	65.00%
Brooks Crossing | Office
Business and Organization
Ownership interest percentage in property	65.00%
Lightfoot outparcel | Retail
Business and Organization
Ownership interest percentage in property	70.00%
Market at Mill Creek | Retail
Business and Organization
Ownership interest percentage in property	70.00%
Wills Wharf | Mixed-use
Business and Organization
Ownership interest percentage in property	100.00%
Greenside (Harding Place)
Business and Organization
Preferred return	9.00%
Brooks Crossing
Business and Organization
Preferred return	8.00%
Lightfoot Marketplace
Business and Organization
Preferred return	9.00%
Market at Mill Creek
Business and Organization
Preferred return	10.00%