Real Estate Joint Ventures - Consolidated Real Estate Joint Ventures (Details) - item		12 Months Ended
	Jan. 01, 2018	Dec. 31, 2018	Dec. 31, 2017	Apr. 30, 2017
Pier Park Crossings JV
Variable interest entity
Number of units				240
Variable interest entity, ownership percentage		75.00%	75.00%
Windmark JV
Variable interest entity
Variable interest entity, ownership percentage		49.00%	49.00%
Pier Park North
Variable interest entity
Variable interest entity, ownership percentage		60.00%	60.00%
Artisan Park, L.L.C
Variable interest entity
Variable interest entity, ownership percentage	100.00%		74.00%