Real Estate Joint Ventures - Consolidated Joint Ventures (Details) - item	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019	Apr. 30, 2017
Pier Park Resort Hotel JV
Variable interest entity
Number of units to be developed and constructed	255
Variable interest entity, ownership percentage	70.00%
Pier Park Crossings Phase II JV
Variable interest entity
Number of units to be developed and constructed	120
Variable interest entity, ownership percentage	75.00%	75.00%
Reliant Title JV
Variable interest entity
Variable interest entity, ownership percentage	66.00%	66.00%
Watercrest JV
Variable interest entity
Number of units to be developed and constructed	107
Variable interest entity, ownership percentage	87.00%	87.00%
Watersound Origins Crossings JV
Variable interest entity
Number of units to be developed and constructed	217
Variable interest entity, ownership percentage	75.00%	75.00%
Pier Park Crossings JV
Variable interest entity
Number of units to be developed and constructed			240
Variable interest entity, ownership percentage	75.00%	75.00%
Pier Park North JV
Variable interest entity
Variable interest entity, ownership percentage	60.00%	60.00%