DEFERRED REVENUE - Rent Paid in Advance (Details) - USD ($)		12 Months Ended
	Feb. 21, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Mar. 31, 2018	Sep. 20, 2017	Dec. 31, 2011
Deferred revenue
Lease revenue		$ 41,956,000	$ 40,076,000	$ 31,407,000
Tenant contribution		1,000,000
Total deferred revenue		5,830,720	6,370,284
Tenant Contributions			1,900,000
Acquisition of Property, Plant, and Equipment and Intangible Lease Assets and Liabilities		150,704,654	109,394,481	94,627,373
Master tenant funded incurred related to property acquisition from their leasing reserve escrow		935,000
Aggregate contributions related to total acquisition cost will be recognized into income property rental revenue over the remaining term of the lease		29,000,000
Oil exploration
Deferred revenue
Lease revenue		598,000	807,000	$ 807,000
Lease Payment		10,633,805
Aspen, Colorado
Deferred revenue
Lease revenue		223,000
Total deferred revenue		2,200,000
Tenant Contributions	$ 1,500,000	1,500,000	$ 1,500,000
Acquisition of Property, Plant, and Equipment and Intangible Lease Assets and Liabilities	$ 28,000,000
Florida
Deferred revenue
Lease revenue		212,000
Total deferred revenue		677,000
Tenant Contributions		$ 1,900,000
Maximum | Oil exploration
Deferred revenue
Lease term		8 years				13 years	8 years
Lease Payment		$ 807,000
Buc'ees - East of I-95
Deferred revenue
Escrow reserve					$ 831,000
Remaining gain to be recognized					831,000
Total deferred revenue					$ 25,000
Cocina 214
Deferred revenue
Lease revenue		$ 690,000