v3.25.0.1

INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Details) - item	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of limited partnerships and limited liability companies in which the entity has invested	7
NERA 40%
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Ownership interest (as a percent)	40.00%	40.00%	40.00%
NERA 50%
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Ownership interest (as a percent)	50.00%	50.00%	50.00%
Investment Properties
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of limited partnerships and limited liability companies in which the entity has invested	7
Number of partnerships investing in commercial property	3
Hamilton Company/Management Company
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Number of employees having ownership interest in the investment properties	5
Minimum \| Brown Family
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Ownership interest (as a percent)	47.60%
Maximum \| Brown Family
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Ownership interest (as a percent)	59.00%

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

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

+ References

No definition available.

+ Details

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- Definition

Represents the number of partnerships which are investing in commercial properties.

+ References

No definition available.

+ Details

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(g)(1)(ii))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

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NEW ENGLAND REALTY ASSOCIATES LIMITED PARTNERSHIP 10-K