XML 79 R69.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

SUBSEQUENT EVENTS (Details) |  | 1 Months Ended | 3 Months Ended | 199 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 08, 2024 USD ($) | May 08, 2024 USD ($) $ / item shares | Mar. 31, 2024 USD ($) shares | Mar. 31, 2023 USD ($) shares | Mar. 31, 2024 USD ($) $ / item shares | Aug. 23, 2024 USD ($) | Apr. 18, 2024 | Mar. 28, 2024 $ / item | Aug. 23, 2023 USD ($) | Aug. 31, 2004
Subsequent events |  |  |  |  |  |  |  |  |  |
Number of depository receipts repurchased | shares |  |  |  |  | 1,535,092 |  |  |  |  |
Repurchase price of depository receipts (in dollars per receipt) | $ / item |  |  |  |  | 31.40 |  |  |  |  |
Total cost of repurchase | $ |  |  | $ 253,390 | $ 944,520 | $ 54,674,000 |  |  |  |  |
Units required to be repurchased (in shares) | shares |  |  | 119 | 431 |  |  |  |  |  |
Quarterly distributions per depositary receipt (in dollars per receipt) | $ / item |  |  |  |  |  |  |  | 0.40 |  |
Debt Instrument, Cost of Transfer Of Interests In Borrower | $ | $ 107,000 |  |  |  |  |  |  |  |  |
Hamilton on Main Apts |  |  |  |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |  |  |  |
Debt Instrument, Cost of Transfer Of Interests In Borrower | $ | $ 107,000 |  |  |  |  |  |  |  |  |
Hamilton on Main Apartments, LLC |  |  |  |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |  |  |  |
Ownership interest (as a percent) |  |  |  |  |  | 50.00% |  |  | 50.00% | 50.00%
Loan amount | $ |  |  |  |  |  | $ 16,900,000 |  |  | $ 16,900,000 |
Class B |  |  |  |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |  |  |  |
Number of depository receipts repurchased | shares |  |  |  |  | 4,416 |  |  |  |  |
Total cost of repurchase | $ |  |  | $ 47,983 | $ 179,411 |  |  |  |  |  |
Units required to be repurchased (in shares) | shares |  |  | 22.6 |  |  |  |  |  |  |
General Partnership |  |  |  |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |  |  |  |
Number of depository receipts repurchased | shares |  |  |  |  | 233 |  |  |  |  |
Total cost of repurchase | $ |  |  | $ 2,525 | $ 9,443 |  |  |  |  |  |
Units required to be repurchased (in shares) | shares |  |  | 1.2 |  |  |  |  |  |  |
Subsequent event |  |  |  |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |  |  |  |
Number of depository receipts repurchased | shares |  | 1,764 |  |  |  |  |  |  |  |
Repurchase price of depository receipts (in dollars per receipt) | $ / item |  | 70.51 |  |  |  |  |  |  |  |
Price per unit of depository receipts | $ / item |  | 2,115.30 |  |  |  |  |  |  |  |
Total cost of repurchase | $ |  | $ 124,887 |  |  |  |  |  |  |  |
Units required to be repurchased (in shares) | shares |  | 14 |  |  |  |  |  |  |  |
Quarterly distribution (per unit) | $ / item |  | 12.00 |  |  |  |  |  |  |  |
Quarterly distributions per depositary receipt (in dollars per receipt) | $ / item |  | 0.40 |  |  |  |  |  |  |  |
Subsequent event | Hamilton on Main Apts |  |  |  |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |  |  |  |
Debt Instrument, Courtesy Reduction As A Percentage Of Transfer Fee |  |  |  |  |  |  | 50.00% |  |  |
Subsequent event | Class B |  |  |  |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |  |  |  |
Total cost of repurchase | $ |  | $ 29,016 |  |  |  |  |  |  |  |
Subsequent event | General Partnership |  |  |  |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |  |  |  |
Price per unit of depository receipts | $ / item |  | 2,115.30 |  |  |  |  |  |  |  |
Total cost of repurchase | $ |  | $ 1,527 |  |  |  |  |  |  |  |
Units required to be repurchased (in shares) | shares |  | 0.7 |  |  |  |  |  |  |  |

X
- Definition Represents the cost associated with the transfer of interests in borrower, pursuant to an arrangement. + References No definition available. + Details
Name: | nen_DebtInstrumentCostOfTransferOfInterestsInBorrower
Namespace Prefix: | nen_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The courtesy reduction offered by the loan servicer, represented as a percentage of transfer fee under the debt arrangement. + References No definition available. + Details
Name: | nen_DebtInstrumentCourtesyReductionAsPercentageOfTransferFee
Namespace Prefix: | nen_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of depository receipts repurchased under the equity repurchase program. + References No definition available. + Details
Name: | nen_PartnersCapitalAccountDepositoryReceiptsTreasury
Namespace Prefix: | nen_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the average price at which depository receipts are repurchased under the equity repurchase program. + References No definition available. + Details
Name: | nen_PartnersCapitalAccountDepositoryReceiptsTreasuryAverageRepurchasePricePerDepositoryReceipt
Namespace Prefix: | nen_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the cost per unit of depository receipts. + References No definition available. + Details
Name: | nen_PartnersCapitalAccountDepositoryReceiptsTreasuryPricePerUnit
Namespace Prefix: | nen_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Represents the quarterly distributions per unit. + References No definition available. + Details
Name: | nen_PartnersCapitalAccountQuarterlyDistributionPerUnit
Namespace Prefix: | nen_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482900/835-30-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69B Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69C Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-2 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482949/835-30-55-8 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Value of units that were previously issued and have been repurchased during the year. + References No definition available. + Details
Name: | us-gaap_PartnersCapitalAccountTreasuryUnitsPurchases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Units that were previously issued and have been repurchased during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-5 + Details
Name: | us-gaap_PartnersCapitalAccountUnitsTreasury
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=nen_HamiltonOnMainLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=nen_HamiltonOnMainApartmentsLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PartnerTypeOfPartnersCapitalAccountAxis=nen_LimitedClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PartnerTypeOfPartnersCapitalAccountAxis=us-gaap_GeneralPartnerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |