XML 74 R9999.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Label | Element | Value
--- | --- | ---
Hamilton Bay L L C [Member] | Residential Apartment [Member] |  |
Number of Units in Real Estate Property Unsold | nen_NumberOfUnitsInRealEstatePropertyUnsold | 1

X
- Definition Represents the number of units unsold by the entity. + References No definition available. + Details
Name: | nen_NumberOfUnitsInRealEstatePropertyUnsold
Namespace Prefix: | nen_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=nen_HamiltonBayLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=nen_ResidentialApartmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |