INCOME PROPERTIES - Rent and Lease Information (Details) - Multi-tenant			9 Months Ended
	Oct. 27, 2017 tenant	Apr. 07, 2017	Sep. 30, 2017 ft²
The Grove of Winter Park
Rent and Lease Information
Area of real estate property			112,000
Property leased (as a percent)	60.00%
Number of tenants | tenant	9
24 Hour Fitness
Rent and Lease Information
Lease term		15 years
Area of real estate property			40,000
Percentage of the total area of real estate property leased by tenant			36.00%