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RENTAL INCOME (Commercial Leases) (Details) | 6 Months Ended
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Jun. 30, 2017 USD ($) ft² item
RENTAL INCOME |
Annual base rent for expiring leases | $ | $ 2,918,871
Total square feet for expiring leases | ft² | 108,043
Total number of leases expiring | item | 46
Percentage of annual base rent for expiring leases | 100.00%
Through December 31, 2017 |
RENTAL INCOME |
Annual base rent for expiring leases | $ | $ 418,813
Total square feet for expiring leases | ft² | 18,181
Total number of leases expiring | item | 11
Percentage of annual base rent for expiring leases | 14.00%
Through December 31, 2018 |
RENTAL INCOME |
Annual base rent for expiring leases | $ | $ 338,133
Total square feet for expiring leases | ft² | 10,684
Total number of leases expiring | item | 11
Percentage of annual base rent for expiring leases | 12.00%
Through December 31, 2019 |
RENTAL INCOME |
Annual base rent for expiring leases | $ | $ 631,713
Total square feet for expiring leases | ft² | 22,328
Total number of leases expiring | item | 9
Percentage of annual base rent for expiring leases | 22.00%
Through December 31, 2020 |
RENTAL INCOME |
Annual base rent for expiring leases | $ | $ 621,421
Total square feet for expiring leases | ft² | 25,004
Total number of leases expiring | item | 6
Percentage of annual base rent for expiring leases | 21.00%
Through December 31, 2021 |
RENTAL INCOME |
Annual base rent for expiring leases | $ | $ 579,164
Total square feet for expiring leases | ft² | 23,267
Total number of leases expiring | item | 6
Percentage of annual base rent for expiring leases | 20.00%
Through December 31, 2022 |
RENTAL INCOME |
Annual base rent for expiring leases | $ | $ 78,000
Total square feet for expiring leases | ft² | 1,950
Total number of leases expiring | item | 1
Percentage of annual base rent for expiring leases | 2.00%
Through December 31, 2023 |
RENTAL INCOME |
Annual base rent for expiring leases | $ | $ 251,627
Total square feet for expiring leases | ft² | 6,629
Total number of leases expiring | item | 2
Percentage of annual base rent for expiring leases | 9.00%

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- Definition Represents the amount of annual rent to be receivable for leases to be expired. + References No definition available. + Details
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Namespace Prefix: | nen_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Represents the number of leases to be expired. + References No definition available. + Details
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Data Type: | xbrli:integerItemType
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- Definition Represents the percentage of annual base rent for leases to be expired. + References No definition available. + Details
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- Definition Represents the square feet area of rental properties for which leases are to be expired. + References No definition available. + Details
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Data Type: | num:areaItemType
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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