INCOME PROPERTIES - Rent and Lease Information (Details)	12 Months Ended
	Dec. 31, 2018 ft² tenant
The Grove of Winter Park
Income properties
Square-Feet	112,000
Property leased (as a percent)	70.00%
Number of tenants | tenant	15
Single-tenant | 2018 acquisitions of income property subject to lease - Wawa | Jacksonville, FL
Income properties
Lessor, Operating Lease, Term of Contract	20 years
Square-Feet	6,267
Property leased (as a percent)	100.00%