Real Estate Investments (Tables)

12 Months Ended

Dec. 31, 2020

Real Estate [Abstract]

Property, Plant and Equipment [Table Text Block]

Properties not held for sale

Property	Land		Buildings		Total		Accumulated Depreciation
Biomat USA, Wichita, KS	$	507,489	$	1,277,436	$	1,784,925	$	817,485
Advance Auto Parts, Middletown, OH		18,854		557,744		576,598		494,098
Cellular Connection, Bluffton, IN		344,008		836,108		1,180,116		448,996
Best Buy, Eau Claire, WI		803,535		2,158,403		2,961,938		836,994
Fresenius Medical Center, Chicago, IL		464,400		665,142		1,129,542		159,626
Zales, Enid, OK		440,000		903,630		1,343,630		209,335
Dollar Tree, West Point, MS		270,000		1,316,232		1,586,232		258,854
	$	2,848,286	$	7,714,695	$	10,562,981	$	3,225,388

Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]

Acquired lease intangibles not held for sale

		2020				2019
		Cost		Accumulated Amortization		Cost		Accumulated Amortization
In-Place Lease Intangibles (weighted average life of 55 and 72 months, respectively)	$	735,546	$	382,390	$	735,546	$	268,246
Above-Market Lease Intangibles (weighted average life of 46 and 58 months, respectively)		72,606		43,562		72,606		35,986
Acquired Intangible Lease Assets	$	808,152	$	425,952	$	808,152	$	304,232
Acquired Below-Market Lease Intangibles (weighted average life of 57 and 69 months, respectively)	$	283,495	$	142,988	$	283,495	$	113,404

Finite-lived Intangible Assets Amortization Expense [Table Text Block]

Estimated Amortization

	Amortization Expense for In-Place Lease Intangibles		Decrease to Rental Income for Above-Market Leases		Increase to Rental Income for Below-Market Leases
2021	$	81,384	$	7,576	$	29,584
2022		81,384		7,576		29,584
2023		63,716		7,576		29,584
2024		58,906		6,316		29,584
2025		36,842		0		22,171
	$	322,232	$	29,044	$	140,507

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Minimum future rent

2021	$	643,158
2022		645,729
2023		390,850
2024		352,122
2025		231,216
Thereafter		246,801
	$	2,509,876