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RENTAL INCOME (Tables) | 9 Months Ended
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Sep. 30, 2017
RENTAL INCOME |
Schedule of minimum future annual rental income on non-cancellable operating leases | Approximately 7% was related to commercial properties, which have minimum future annual rental income on non-cancellable operating leases at September 30, 2017 as follows:
|  | Commercial |
|  | Property Leases |
2018 |  | $ | 2,697,000 |
2019 |  |  | 2,248,000 |
2020 |  |  | 1,687,000 |
2021 |  |  | 1,396,000 |
2022 |  |  | 570,000 |
Thereafter |  |  | 313,000 |
|  | $ | 8,911,000 |
Schedule of information for commercial leases |
|  | Annual base |  |  |  |  |  | Percentage of |
|  | rent for |  | Total square feet |  | Total number of |  | annual base rent for |
Throguh September 30, |  | expiring leases |  | for expiring leases |  | leases expiring |  | expiring leases |
2018 |  | $ | 468,209 |  | 18,003 |  | 12 |  | 16 | %
2019 |  |  | 672,327 |  | 24,179 |  | 12 |  | 23 | %
2020 |  |  | 215,902 |  | 6,428 |  | 6 |  | 7 | %
2021 |  |  | 791,294 |  | 34,511 |  | 7 |  | 27 | %
2022 |  |  | 519,397 |  | 16,343 |  | 6 |  | 17 | %
2023 |  |  | 58,500 |  | 1,950 |  | 1 |  | 2 | %
2024 |  |  | 251,627 |  | 6,629 |  | 2 |  | 8 | %
2025 |  |  | — |  | — |  | — |  | 0 | %
2026 |  |  | — |  | — |  | — |  | 0 | %
2027 |  |  | — |  | — |  | — |  | 0 | %
Totals |  | $ | 2,977,256 |  | 108,043 |  | 46 |  | 100 | %

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- Definition Tabular disclosure of information related to commercial leases, including annual base rent, total square feet, total number, and percentage of annual base rent for expiring leases. + References No definition available. + Details
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- Definition Tabular disclosure of future minimum rental receivable in the aggregate and for each of the five succeeding fiscal years for noncancelable operating leases. + References No definition available. + Details
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Namespace Prefix: | nen_
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- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration