INTANGIBLE ASSETS AND LIABILITIES - Amortization (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
INTANGIBLE ASSETS AND LIABILITIES
Depreciation and Amortization Expense	$ 5,872,000	$ 4,776,000	$ 2,696,000
Increase to Income Properties Revenue	(2,338,531)	(2,193,957)	(2,240,008)
Net Amortization of Intangible Assets and Liabilities	$ 3,533,000	$ 2,582,000	$ 456,000