DEBT OBLIGATIONS - Mortgage Payable (Details)	12 Months Ended
Dec. 31, 2020 USD ($) property	Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
Number of properties \| property	8
Number of commercial properties \| property	1
Mortgages \| San Marcos, TX
Debt Instrument [Line Items]
Debt face amount \| $		$ 17,158,000
Interest rate (as a percent)		4.42%
Multi-family residential \| Mortgages
Debt Instrument [Line Items]
Mortgage debt outstanding \| $	$ 130,997,000
Debt, weighted average interest rate (as a percentage)	4.15%
Average maturity	4 years 4 months 24 days

Number Of Commercial Properties

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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

Weighted average interest rate of long-term debt outstanding calculated at point in time.

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- Definition

The number of real estate properties owned as of the balance sheet date.

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