ASSETS HELD FOR SALE AND DISCONTINUED OPERATIONS - Assets and Liabilities Held for Sale (Details)	3 Months Ended	9 Months Ended
	Jun. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2018 USD ($) property
Assets held for sale
Number of real estate properties | property			4
Increase (decrease) in assets held for sale		$ 40,159
Property, Plant, and Equipment—Net		3,659,703	$ 71,470,583
Cash and Cash Equivalents		256,395	156,489
Other Assets		482,401	646,285
Operating Leases Right-of-Use Asset		104,136
Intangible Lease Assets—Net			4,366,858
Intangible Lease Liabilities—Net			(773,705)
Total Assets Held for Sale		4,502,635	75,866,510
Liabilities held for sale
Accounts Payable		239,563	199,422
Accrued and Other Liabilities		1,119,835	924,323
Operating Leases - Liability		104,136
Deferred Revenue		265,515	223,551
Total Liabilities Held for Sale		1,729,049	1,347,296
Multi-Tenant Income Properties | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Assets held for sale
Increase (decrease) in assets held for sale		(56,800,000)
Multi-Tenant Income Properties | Disposal Group, Held-for-sale, Not Discontinued Operations
Assets held for sale
Increase (decrease) in assets held for sale	$ (14,600,000)
Property, Plant, and Equipment—Net			67,810,880
Intangible Lease Assets—Net			4,366,858
Intangible Lease Liabilities—Net			(773,705)
Total Assets Held for Sale			71,404,033
Golf Operations | Discontinued Operations, Held-for-sale
Assets held for sale
Increase (decrease) in assets held for sale		208,000
Property, Plant, and Equipment—Net		3,659,703	3,659,703
Cash and Cash Equivalents		256,395	156,489
Other Assets		482,401	646,285
Operating Leases Right-of-Use Asset		104,136
Total Assets Held for Sale		4,502,635	4,462,477
Liabilities held for sale
Accounts Payable		239,563	199,422
Accrued and Other Liabilities		1,119,835	924,323
Operating Leases - Liability		104,136
Deferred Revenue		265,515	223,551
Total Liabilities Held for Sale		$ 1,729,049	$ 1,347,296