RELATED PARTY TRANSACTIONS (Details)	12 Months Ended
RELATED PARTY TRANSACTIONS (Details)	Dec. 31, 2025 USD ($) item	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
RELATED PARTY TRANSACTIONS
Management fee	$ 3,462,305	$ 3,178,006	$ 2,948,066
Repairs and maintenance	14,918,524	13,115,843	13,366,079
Administrative expense	3,122,303	2,935,887	2,900,432
Employer contributions in 401K plan	$ 76,000	$ 64,000	$ 64,000
Number of limited partnerships and limited liability companies in which the entity has invested \| item	7
Number of advisory committee meetings \| item	4
Expenses incurred for advisory committee meeting	$ 18,000
Number of audit committee meetings held \| item	4
Expenses incurred for audit committee meeting	$ 80,000
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	$ 1,942,000	$ 1,032,000	$ 1,289,000
Repairs and maintenance	211,000
Administrative expense	229,000
Expenses for construction, architectural services and supervision of capital projects	1,498,000
Brokerage Fees	4,000
Hamilton Company/Management Company \| Related party
RELATED PARTY TRANSACTIONS
Management fee	3,462,000	3,178,000	2,948,000
Costs related to professional services	125,000	125,000	125,000
Amount received for management fees	947,000
Payroll and related expenses	4,871,000	4,313,000	4,180,000
Employer contributions in 401K plan	$ 76,000	64,000	64,000
Number of accounting staff providing bookkeeping and accounting functions \| item	16
Hamilton Company/Management Company \| Management fee \| Related party
RELATED PARTY TRANSACTIONS
Amount received for management fees	$ 760,000
Hamilton Company/Management Company \| Construction, architectural services and supervision of capital projects \| Related party
RELATED PARTY TRANSACTIONS
Amount received for management fees	143,000
Hamilton Company/Management Company \| Repairs and maintenance \| Related party
RELATED PARTY TRANSACTIONS
Amount received for management fees	28,000
Hamilton Company/Management Company \| Administrative services \| Related party
RELATED PARTY TRANSACTIONS
Amount received for management fees	$ 16,000
Dexter Park \| Related party
RELATED PARTY TRANSACTIONS
Management fee (as a percent)	2.00%
Sally Michael \| Partnership properties \| Related party
RELATED PARTY TRANSACTIONS
Legal fees	$ 438,000	115,000	$ 121,000
Sally Michael \| Investment properties \| Related party
RELATED PARTY TRANSACTIONS
Legal fees	$ 43,000	$ 60,000
Current and previous management company employees \| Related party
RELATED PARTY TRANSACTIONS
Number of employees having ownership interest in the investment properties \| item	5

NEW ENGLAND REALTY ASSOCIATES LIMITED PARTNERSHIP 10-K