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v3.23.1

RENTAL INCOME (Commercial Leases) (Details) | 3 Months Ended
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Mar. 31, 2023 USD ($) ft² item
RENTAL INCOME |
Annual base rent for expiring leases | $ | $ 3,425,374
Total square feet for expiring leases | ft² | 128,635
Total number of leases expiring | item | 55
Percentage of annual base rent for expiring leases | 100.00%
2024 |
RENTAL INCOME |
Annual base rent for expiring leases | $ | $ 593,243
Total square feet for expiring leases | ft² | 35,102
Total number of leases expiring | item | 21
Percentage of annual base rent for expiring leases | 17.00%
2025 |
RENTAL INCOME |
Annual base rent for expiring leases | $ | $ 489,754
Total square feet for expiring leases | ft² | 17,963
Total number of leases expiring | item | 11
Percentage of annual base rent for expiring leases | 14.00%
2026 |
RENTAL INCOME |
Annual base rent for expiring leases | $ | $ 196,439
Total square feet for expiring leases | ft² | 4,516
Total number of leases expiring | item | 7
Percentage of annual base rent for expiring leases | 6.00%
2027 |
RENTAL INCOME |
Annual base rent for expiring leases | $ | $ 395,326
Total square feet for expiring leases | ft² | 15,162
Total number of leases expiring | item | 8
Percentage of annual base rent for expiring leases | 12.00%
2028 |
RENTAL INCOME |
Annual base rent for expiring leases | $ | $ 189,605
Total square feet for expiring leases | ft² | 5,493
Total number of leases expiring | item | 2
Percentage of annual base rent for expiring leases | 6.00%
2029 |
RENTAL INCOME |
Annual base rent for expiring leases | $ | $ 132,747
Total square feet for expiring leases | ft² | 3,412
Total number of leases expiring | item | 2
Percentage of annual base rent for expiring leases | 4.00%
Thereafter |
RENTAL INCOME |
Annual base rent for expiring leases | $ | $ 1,428,260
Total square feet for expiring leases | ft² | 46,987
Total number of leases expiring | item | 4
Percentage of annual base rent for expiring leases | 41.00%

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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
Period Type: | duration

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- Definition Represents the number of leases to be expired. + References No definition available. + Details
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Namespace Prefix: | nen_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of annual base rent for leases to be expired. + References No definition available. + Details
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Namespace Prefix: | nen_
Data Type: | dtr-types:percentItemType
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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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Namespace Prefix: | nen_
Data Type: | dtr-types:areaItemType
Balance Type: | na
Period Type: | duration

X
- 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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- Details
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