Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2019	Nov. 06, 2019
Document Type	10-Q
Document Period End Date	Sep. 30, 2019
Entity Registrant Name	New England Realty Associates Limited Partnership
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Entity Central Index Key	0000746514
Amendment Flag	false
Class A
Entity Common Stock, Shares Outstanding		97,683
Class B
Entity Common Stock, Shares Outstanding		23,200