Represents the number of properties acquired during the period.

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

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- Definition

Date the declared dividend will be paid, in YYYY-MM-DD format.

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- Definition

Date the holder must own the stock to be entitled to the dividend, in YYYY-MM-DD format.

+ References

No definition available.

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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- Definition

The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

+ References

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- Definition

The cash outflow from the acquisition of residential property intended to generate income for the owner.

+ References

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- Definition

Aggregate dividends declared during the period for each share of preferred stock outstanding.

+ References

No definition available.

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- Definition

Cash received for the sale of real estate that is not part of an investing activity during the current period.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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No definition available.

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SUBSEQUENT EVENTS (Details Narrative)									1 Months Ended	9 Months Ended		12 Months Ended
SUBSEQUENT EVENTS (Details Narrative)	Oct. 28, 2021 USD ($) Integer	Oct. 15, 2021 $ / shares	Jun. 24, 2021 $ / shares	Feb. 23, 2021 $ / shares	Feb. 19, 2021 USD ($)	Feb. 19, 2021 USD ($)	Jan. 28, 2021 USD ($)	Jan. 28, 2021 USD ($)	Oct. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 01, 2020 USD ($)
Subsequent Event [Line Items]
Real estate acquired amount										$ 7,758,066	$ 8,996,248	$ 10,161,613	$ 13,037,562
Notes Payable to Banks [Member] \| Polar Multi Strategy Master Fund [Member]
Subsequent Event [Line Items]
Outstanding principal balance												7,700,000		$ 8,800,000
Subsequent Event [Member]
Subsequent Event [Line Items]
Dividends Payable, Date to be Paid				Mar. 16, 2021
Dividends Payable, Date of Record				Mar. 09, 2021
Common stock dividends, per share \| $ / shares				$ 0.101
Subsequent Event [Member] \| Notes Payable to Banks [Member] \| Polar Multi Strategy Master Fund [Member]
Subsequent Event [Line Items]
Outstanding principal balance												$ 7,700,000
Subsequent Event [Member] \| Model Home Properties in Houston, Texas [Member]
Subsequent Event [Line Items]
Number of properties acquired \| Integer	3
Real estate acquired amount	$ 1,500,000
Subsequent Event [Member] \| Model Home Properties in Houston, Texas [Member] \| First Mortgage [Member]
Subsequent Event [Line Items]
Real estate acquired amount	1,000,000.0
Subsequent Event [Member] \| Model Home Properties in Houston, Texas [Member] \| Cash [Member]
Subsequent Event [Line Items]
Real estate acquired amount	$ 500,000
Subsequent Event [Member] \| Property in Baltimore, MD [Member]
Subsequent Event [Line Items]
Property acquired amount									$ 8,700,000
Subsequent Event [Member] \| Waterman Plaza [Member]
Subsequent Event [Line Items]
Proceeds from sale of real estate							$ 3,500,000	$ 3,500,000
Subsequent Event [Member] \| Garden Gateway [Member]
Subsequent Event [Line Items]
Proceeds from sale of real estate					$ 11,200,000	$ 11,200,000
Series D Preferred Stock [Member]
Subsequent Event [Line Items]
Dividends declared per share \| $ / shares			$ 0.10417
Series D Preferred Stock [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Dividends declared per share \| $ / shares		$ 0.19531
Dividends Payable, Date to be Paid		Nov. 15, 2021
Dividends Payable, Date of Record		Oct. 31, 2021