XML 11 R1.htm IDEA: XBRL DOCUMENT v3.8.0.1
Document and Entity Information - shares
9 Months Ended
Sep. 30, 2017
Nov. 03, 2017
Entity Registrant Name NEW ENGLAND REALTY ASSOCIATES LIMITED PARTNERSHIP  
Entity Central Index Key 0000746514  
Document Type 10-Q  
Document Period End Date Sep. 30, 2017  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q3  
Class A    
Entity Common Stock, Shares Outstanding   99,509
Class B    
Entity Common Stock, Shares Outstanding   23,633