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v3.24.3

SUBSEQUENT EVENTS (Details) - $ / shares | Nov. 07, 2024 | Aug. 31, 2024 | May 31, 2024 | Mar. 31, 2024
--- | --- | --- | --- | ---
Subsequent events |  |  |  |
Quarterly distributions per depositary receipt (in dollars per receipt) |  | $ 0.40 | $ 0.40 | $ 0.40
Subsequent event |  |  |  |
Subsequent events |  |  |  |
Quarterly distribution (per unit) | $ 12.00 |  |  |
Quarterly distributions per depositary receipt (in dollars per receipt) | $ 0.40 |  |  |

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- Definition Represents the quarterly distributions per depository receipt. + References No definition available. + Details
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Namespace Prefix: | nen_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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- Definition Represents the quarterly distributions per unit. + References No definition available. + Details
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Namespace Prefix: | nen_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 855 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483399/855-10-50-2 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |