Number of persons employed by the Entity

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- Definition

Represents the amount aggregate cost of construction, architectural services and supervision of capital projects during the reporting period.

+ References

No definition available.

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- Definition

This element represents the expenses incurred for attendance and participation in advisory committee meeting.

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No definition available.

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Represents the expenses incurred for attendance and participation in Advisory Committee meeting.

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- Definition

Represents the number of limited partnerships and limited liability companies in which the entity has made investments which are accounted for using the equity method of consolidation.

+ References

No definition available.

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- Definition

This element represents the amount of management fee incurred for payment to a management company during the reporting period.

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No definition available.

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- Definition

Represents the number of Advisory Committee meeting held during the reporting period.

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No definition available.

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- Definition

Represents the number of Audit Committee meeting held during the period.

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No definition available.

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- Definition

Number of employees, excluding President, having ownership interest in the investment properties.

+ References

No definition available.

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- Definition

Represents the management fee expressed as a percentage of rental revenues from properties owned.

+ References

No definition available.

+ Details

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- Definition

Cost of labor directly related to good produced and service rendered. Includes, but is not limited to, payroll cost and equity-based compensation.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
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- Definition

The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount of cost for defined contribution plan.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 70
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
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- Definition

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

+ Details

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- Definition

The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount of operating lease expense. Excludes sublease income.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
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- Definition

A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 946
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- Definition

The percentage charged for managing real estate properties.

+ References

No definition available.

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The amount of revenue derived from managing real estate properties.

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No definition available.

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Balance Type:	credit
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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.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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RELATED PARTY TRANSACTIONS (Details)	12 Months Ended
RELATED PARTY TRANSACTIONS (Details)	Dec. 31, 2023 USD ($) item	Dec. 31, 2022 USD ($) item	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
RELATED PARTY TRANSACTIONS
Repairs and maintenance	$ 13,366,079	$ 11,270,589	$ 10,069,325
Administrative expense	2,900,432	2,731,284	2,476,593
Renting	1,004,666	639,235	1,241,298
Employer contributions in 401K plan	$ 64,000	85,000	45,000
Legal fees		$ 84,000
Number of limited partnerships and limited liability companies in which the entity has invested \| item	7
Number Of Advisory Committee Meeting Held \| item	4	4
Expenses Incurred For Attendance And Participation In Advisory Committee Meeting	$ 16,000
Number Of Audit Committee Meeting Held \| item	4
Expenses Incurred For Attendance And Participation In Audit Committee Meeting	$ 80,000
Related party
RELATED PARTY TRANSACTIONS
Management fee	$ 2,948,066	$ 2,716,514	$ 2,523,943
Brown Family \| Minimum
RELATED PARTY TRANSACTIONS
Ownership interest (as a percent)	47.60%
Brown Family \| Maximum
RELATED PARTY TRANSACTIONS
Ownership interest (as a percent)	59.00%
Brown Family \| Related party \| Minimum
RELATED PARTY TRANSACTIONS
Ownership interest (as a percent)	47.60%
Brown Family \| Related party \| Maximum
RELATED PARTY TRANSACTIONS
Ownership interest (as a percent)		59.00%
NERA 40%
RELATED PARTY TRANSACTIONS
Ownership interest (as a percent)	40.00%	40.00%	40.00%
NERA 50%
RELATED PARTY TRANSACTIONS
Ownership interest (as a percent)	50.00%	50.00%	50.00%
Majority of Partnership Properties \| Related party
RELATED PARTY TRANSACTIONS
Management fee as percentage of gross receipts rental revenue	4.00%
Management fee (as a percent)	4.00%
Linewt \| Related party
RELATED PARTY TRANSACTIONS
Management fee as percentage of gross receipts rental revenue	3.00%
General Partner or Management Company \| Related party
RELATED PARTY TRANSACTIONS
Costs related to professional services	$ 1,289,000	$ 747,000	$ 1,086,000
Repairs and maintenance	261,000
Administrative expense	356,000
Renting	66,000
Construction, architectural services and supervision of capital projects	606,000
Hamilton Company/Management Company \| Related party
RELATED PARTY TRANSACTIONS
Management fee	2,948,000	2,717,000	2,524,000
Costs related to professional services		125,000	125,000	$ 125,000
Amount received for management fees	797,000
Payroll and related expenses	4,180,000	3,875,000	3,640,000
Employer contributions in 401K plan	$ 64,000	85,000	45,000
Number of accounting staff providing bookkeeping and accounting functions \| item	14
Hamilton Company/Management Company \| Management fee \| Related party
RELATED PARTY TRANSACTIONS
Amount received for management fees	$ 699,000
Hamilton Company/Management Company \| Construction, architectural services and supervision of capital projects \| Related party
RELATED PARTY TRANSACTIONS
Amount received for management fees	9,000
Hamilton Company/Management Company \| Repairs and maintenance \| Related party
RELATED PARTY TRANSACTIONS
Amount received for management fees	57,000
Hamilton Company/Management Company \| Renting Expense [Member]
RELATED PARTY TRANSACTIONS
Amount received for management fees	1,000
Hamilton Company/Management Company \| Administrative Services [Member] \| Related party
RELATED PARTY TRANSACTIONS
Amount received for management fees	$ 31,000
Dexter Park \| Related party
RELATED PARTY TRANSACTIONS
Management fee (as a percent)	2.00%
Sally Michael \| Related party
RELATED PARTY TRANSACTIONS
Legal fees	$ 91,000	$ 84,000	$ 168,000
Current and previous management company employees \| Related party
RELATED PARTY TRANSACTIONS
Number of employees having ownership interest in the investment properties \| item	5