XML 42 R31.htm IDEA: XBRL DOCUMENT
v3.19.1

RENTAL INCOME (Tables) | 12 Months Ended
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Dec. 31, 2018
RENTAL INCOME |
Schedule of minimum future annual rental income on non-cancellable operating leases | Approximately 6% was related to commercial properties, which have minimum future annual rental income on non‑cancellable operating leases at December 31, 2018 as follows:
|  | Commercial |
|  | Property Leases |
2019 |  | $ | 2,677,000 |
2020 |  |  | 2,353,000 |
2021 |  |  | 1,820,000 |
2022 |  |  | 1,059,000 |
2023 |  |  | 670,000 |
Thereafter |  |  | 812,000 |
|  | $ | 9,391,000 |
Schedule of information for commercial leases |
|  | Annual base |  |  |  |  |  | Percentage of |
|  | rent for |  | Total square feet |  | Total number of |  | annual base rent for |
Through December 31, |  | expiring leases |  | for expiring leases |  | leases expiring |  | expiring leases |
2019 |  | $ | 459,408 |  | 22,120 |  | 11 |  | 16 | %
2020 |  |  | 232,198 |  | 5,959 |  | 8 |  | 8 | %
2021 |  |  | 835,995 |  | 40,586 |  | 7 |  | 29 | %
2022 |  |  | 554,214 |  | 14,355 |  | 7 |  | 19 | %
2023 |  |  | 444,280 |  | 13,591 |  | 6 |  | 15 | %
2024 |  |  | 230,439 |  | 6,222 |  | 5 |  | 8 | %
2025 |  |  | — |  | — |  | — |  | 0 | %
2026 |  |  | — |  | — |  | — |  | 0 | %
2027 |  |  | — |  | — |  | — |  | 0 | %
2028 |  |  | — |  | — |  | — |  | 0 | %
2029 |  |  | 142,450 |  | 3,850 |  | 1 |  | 5 | %
2030 |  |  | — |  | — |  | — |  | 0 | %
Totals |  | $ | 2,898,984 |  | 106,683 |  | 45 |  | 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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Namespace Prefix: | nen_
Data Type: | nonnum:textBlockItemType
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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_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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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