Mortgage Loans - Schedule of Promissory Notes (Details) - USD ($)		6 Months Ended
		Jun. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Long-term debt, gross		$ 36,242,002
Promissory Notes
Debt Instrument [Line Items]
Promissory note issued amount		37,450,913
Long-term debt, gross		36,242,002	$ 29,606,988
Less: debt issuance costs, net		(786,490)	(637,693)
Long-term debt		35,455,512	28,969,295
Promissory Notes | 7-11 - Washington, DC; Starbucks-South Tampa, FL; and Pratt & Whitney-Hunstville, AL
Debt Instrument [Line Items]
Promissory note issued amount	[1]	$ 11,287,500
Interest Rate		4.17%
Maturity Date		Mar. 06, 2030
DSCR Required		1.25%
Long-term debt, gross		$ 11,054,353	11,150,130
Promissory Notes | GSA-Navy & Maersk - Norfolk, Virginia
Debt Instrument [Line Items]
Promissory note issued amount		$ 8,260,000
Interest Rate		3.50%
Maturity Date		Sep. 30, 2024
DSCR Required		1.25%
Long-term debt, gross		$ 7,691,504	7,805,524
Promissory Notes | PRA Holdings, Inc. - Norfolk, Virginia
Debt Instrument [Line Items]
Promissory note issued amount		$ 5,216,749
Interest Rate		3.50%
Maturity Date		Oct. 23, 2024
DSCR Required		1.25%
Long-term debt, gross		$ 4,809,481	4,889,670
Promissory Notes | Sherwin-Williams - Tampa, Florida
Debt Instrument [Line Items]
Promissory note issued amount		$ 1,286,664
Interest Rate	[2]	3.72%
Maturity Date		Aug. 10, 2028
DSCR Required		1.20%
Long-term debt, gross		$ 1,286,664	1,286,664
Promissory Notes | GSA-FBI - Manteo, North Carolina
Debt Instrument [Line Items]
Promissory note issued amount		$ 928,728
Interest Rate	[3]	3.85%
Maturity Date		Mar. 31, 2032
DSCR Required		1.50%
Long-term debt, gross		$ 928,728	1,275,000
Promissory Notes | Irby Construction - Plant City , Florida
Debt Instrument [Line Items]
Promissory note issued amount		$ 928,728
Interest Rate	[3]	3.85%
Maturity Date		Mar. 31, 2032
DSCR Required		1.50%
Long-term debt, gross		$ 928,728	850,000
Promissory Notes | Best Buy - Grand Junction, Colorado
Debt Instrument [Line Items]
Promissory note issued amount		$ 2,552,644
Interest Rate	[3]	3.85%
Maturity Date		Mar. 31, 2032
DSCR Required		1.50%
Long-term debt, gross		$ 2,552,644	2,350,000
Promissory Notes | Fresenius - Chicago, Illinois
Debt Instrument [Line Items]
Promissory note issued amount		$ 1,727,108
Interest Rate	[3]	3.85%
Maturity Date		Mar. 31, 2032
DSCR Required		1.50%
Long-term debt, gross		$ 1,727,108	0
Promissory Notes | Starbucks - North Tampa, Florida
Debt Instrument [Line Items]
Promissory note issued amount		$ 1,298,047
Interest Rate	[3]	3.85%
Maturity Date		Mar. 31, 2032
DSCR Required		1.50%
Long-term debt, gross		$ 1,298,047	0
Promissory Notes | Kohls @ Tucson, Arizona
Debt Instrument [Line Items]
Promissory note issued amount		$ 3,964,745
Interest Rate	[3]	3.85%
Maturity Date		Mar. 31, 2032
DSCR Required		1.50%
Long-term debt, gross		$ 3,964,745	$ 0

[1] *Loan subject to prepayment penalty

[2] ***Fixed via interest rate swap

[3] **Adjustment effective April 1, 2027 equal to 5-year Treasury plus 2.5% and subject to a floor of 3.85%