XML 68 R58.htm IDEA: XBRL DOCUMENT
v3.10.0.1

INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Balance Sheet) (Details) | Sep. 30, 2018 USD ($) property item | Dec. 31, 2017 USD ($) item | Sep. 30, 2017 USD ($) item | Oct. 28, 2009 USD ($) item | Oct. 03, 2005 USD ($) item | Mar. 07, 2005 item | Mar. 02, 2005 USD ($) item | Sep. 30, 2004 USD ($) item | Aug. 31, 2004 USD ($) item | Nov. 30, 2001 USD ($) item
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties |  |  | $ 136,236,448 |  |  |  |  |  |  |
Cash & Cash Equivalents |  |  | 1,868,209 |  |  |  |  |  |  |
Rent Receivable |  |  | 212,781 |  |  |  |  |  |  |
Real Estate Tax Escrow |  |  | 692,490 |  |  |  |  |  |  |
Prepaid Expenses & Other Assets |  |  | 2,926,955 |  |  |  |  |  |  |
Total Assets |  |  | 141,936,883 |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Mortgage Notes Payable |  |  | 124,550,899 |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses |  |  | 1,249,412 |  |  |  |  |  |  |
Advance Rental Payments and Security Deposits |  |  | 3,250,170 |  |  |  |  |  |  |
Total Liabilities |  |  | 129,050,481 |  |  |  |  |  |  |
Partners' Capital |  |  | 12,886,402 |  |  |  |  |  |  |
Total Liabilities and Capital |  |  | 141,936,883 |  |  |  |  |  |  |
Investment in Unconsolidated Joint Ventures | $ 1,804,747 | $ 7,212,044 | 8,452,484 |  |  |  |  |  |  |
Distribution and Loss in Excess of investments in Unconsolidated Joint Venture | (18,001,998) | $ (2,806,319) | (2,737,854) |  |  |  |  |  |  |
Total Investment in Unconsolidated Joint Ventures (Net) |  |  | $ 5,714,630 |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 1,033 |  |  |  |  |  |  |
Units to be retained | item |  |  | 690 |  |  |  |  |  |  |
Units to be sold | item |  |  | 343 |  |  |  |  |  |  |
Units sold | item |  |  | 297 |  |  |  |  |  |  |
Unsold units | item |  |  | 46 |  |  |  |  |  |  |
Units unsold with deposits for future sale | item |  |  | 10 |  |  |  |  |  |  |
Residential buildings |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 1,030 |  |  |  |  |  |  |
Commercial |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 3 |  |  |  |  |  |  |
Investment Properties |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties | 127,205,942 |  |  |  |  |  |  |  |  |
Cash & Cash Equivalents | 2,141,341 |  |  |  |  |  |  |  |  |
Rent Receivable | 437,357 |  |  |  |  |  |  |  |  |
Real Estate Tax Escrow | 257,730 |  |  |  |  |  |  |  |  |
Prepaid Expenses & Other Assets | 1,718,546 |  |  |  |  |  |  |  |  |
Total Assets | 131,760,916 |  |  |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Mortgage Notes Payable | 166,513,618 |  |  |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses | 1,654,875 |  |  |  |  |  |  |  |  |
Advance Rental Payments and Security Deposits | 3,406,035 |  |  |  |  |  |  |  |  |
Total Liabilities | 171,574,528 |  |  |  |  |  |  |  |  |
Partners' Capital | (39,813,612) |  |  |  |  |  |  |  |  |
Total Liabilities and Capital | 131,760,916 |  |  |  |  |  |  |  |  |
Investment in Unconsolidated Joint Ventures | 1,804,747 |  |  |  |  |  |  |  |  |
Distribution and Loss in Excess of investments in Unconsolidated Joint Venture | (18,001,998) |  |  |  |  |  |  |  |  |
Total Investment in Unconsolidated Joint Ventures (Net) | $ (16,197,251) |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 913 |  |  |  |  |  |  |  |  |
Units to be retained | property | 690 |  |  |  |  |  |  |  |  |
Units to be sold | property | 223 |  |  |  |  |  |  |  |  |
Units sold | property | 217 |  |  |  |  |  |  |  |  |
Unsold units | property | 6 |  |  |  |  |  |  |  |  |
Units unsold with deposits for future sale | property | 3 |  |  |  |  |  |  |  |  |
Investment Properties | Residential buildings |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 910 |  |  |  |  |  |  |  |  |
Investment Properties | Commercial |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 3 |  |  |  |  |  |  |  |  |
Hamilton Essex 81 |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties |  |  | $ 7,704,425 |  |  |  |  |  |  |
Cash & Cash Equivalents |  |  | 147,083 |  |  |  |  |  |  |
Rent Receivable |  |  | 17,530 |  |  |  |  |  |  |
Real Estate Tax Escrow |  |  | 103,996 |  |  |  |  |  |  |
Prepaid Expenses & Other Assets |  |  | 120,823 |  |  |  |  |  |  |
Total Assets |  |  | 8,093,857 |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Mortgage Notes Payable | $ 9,903,477 |  | 9,889,687 |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses |  |  | 90,779 |  |  |  |  |  |  |
Advance Rental Payments and Security Deposits |  |  | 179,143 |  |  |  |  |  |  |
Total Liabilities |  |  | 10,159,609 |  |  |  |  |  |  |
Partners' Capital |  |  | (2,065,752) |  |  |  |  |  |  |
Total Liabilities and Capital |  |  | $ 8,093,857 |  |  |  |  |  |  |
Partners' Capital % - NERA |  |  | 50.00% |  |  |  |  |  |  |
Distribution and Loss in Excess of investments in Unconsolidated Joint Venture |  |  | $ (1,032,876) |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 49 |  |  | 48 |  |  |  |
Units to be retained | item |  |  | 49 |  |  |  |  |  |  |
Hamilton Essex 81 | NERA 50% |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties | 7,333,163 |  |  |  |  |  |  |  |  |
Cash & Cash Equivalents | 116,301 |  |  |  |  |  |  |  |  |
Rent Receivable | 129,551 |  |  |  |  |  |  |  |  |
Real Estate Tax Escrow | 69,794 |  |  |  |  |  |  |  |  |
Prepaid Expenses & Other Assets | 268,973 |  |  |  |  |  |  |  |  |
Total Assets | 7,917,782 |  |  |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Mortgage Notes Payable | 9,903,476 |  |  |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses | 219,371 |  |  |  |  |  |  |  |  |
Advance Rental Payments and Security Deposits | 289,586 |  |  |  |  |  |  |  |  |
Total Liabilities | 10,412,433 |  |  |  |  |  |  |  |  |
Partners' Capital | (2,494,651) |  |  |  |  |  |  |  |  |
Total Liabilities and Capital | $ 7,917,782 |  |  |  |  |  |  |  |  |
Partners' Capital % - NERA | 50.00% |  |  |  |  |  |  |  |  |
Distribution and Loss in Excess of investments in Unconsolidated Joint Venture | $ (1,247,327) |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 49 |  |  |  |  |  |  |  |  |
Units to be retained | property | 49 |  |  |  |  |  |  |  |  |
Hamilton Essex 81 | Residential buildings |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 48 |  |  |  |  |  |  |
Hamilton Essex 81 | Residential buildings | NERA 50% |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 48 |  |  |  |  |  |  |  |  |
Hamilton Essex 81 | Commercial |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 1 |  |  |  |  |  |  |
Hamilton Essex 81 | Commercial | NERA 50% |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 1 |  |  |  |  |  |  |  |  |
Hamilton Essex Development |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties |  |  | $ 2,622,401 |  |  |  |  |  |  |
Cash & Cash Equivalents |  |  | 92,180 |  |  |  |  |  |  |
Prepaid Expenses & Other Assets |  |  | 1,115 |  |  |  |  |  |  |
Total Assets |  |  | 2,715,696 |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses |  |  | 1,276 |  |  |  |  |  |  |
Total Liabilities |  |  | 1,276 |  |  |  |  |  |  |
Partners' Capital |  |  | 2,714,420 |  |  |  |  |  |  |
Total Liabilities and Capital |  |  | $ 2,715,696 |  |  |  |  |  |  |
Partners' Capital % - NERA |  |  | 50.00% |  |  |  |  |  |  |
Investment in Unconsolidated Joint Ventures |  |  | $ 1,357,209 |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 1 |  |  |  |  |  |  |
Units to be retained | item |  |  | 1 |  |  |  |  |  |  |
Hamilton Essex Development | NERA 50% |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties | $ 2,596,303 |  |  |  |  |  |  |  |  |
Cash & Cash Equivalents | 101,948 |  |  |  |  |  |  |  |  |
Rent Receivable | 6,800 |  |  |  |  |  |  |  |  |
Prepaid Expenses & Other Assets | 118,872 |  |  |  |  |  |  |  |  |
Total Assets | 2,823,923 |  |  |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses | 1,316 |  |  |  |  |  |  |  |  |
Total Liabilities | 1,316 |  |  |  |  |  |  |  |  |
Partners' Capital | 2,822,607 |  |  |  |  |  |  |  |  |
Total Liabilities and Capital | $ 2,823,923 |  |  |  |  |  |  |  |  |
Partners' Capital % - NERA | 50.00% |  |  |  |  |  |  |  |  |
Investment in Unconsolidated Joint Ventures | $ 1,411,304 |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 1 |  |  |  |  |  |  |  |  |
Units to be retained | property | 1 |  |  |  |  |  |  |  |  |
Hamilton Essex Development | Commercial |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 1 |  |  |  |  |  |  |
Hamilton Essex Development | Commercial | NERA 50% |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 1 |  |  |  |  |  |  |  |  |
345 Franklin |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties |  |  | $ 6,408,017 |  |  |  |  |  |  |
Cash & Cash Equivalents |  |  | 67,653 |  |  |  |  |  |  |
Rent Receivable |  |  | 32,797 |  |  |  |  |  |  |
Real Estate Tax Escrow |  |  | 47,566 |  |  |  |  |  |  |
Prepaid Expenses & Other Assets |  |  | 59,633 |  |  |  |  |  |  |
Total Assets |  |  | 6,615,666 |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Mortgage Notes Payable | $ 9,535,845 |  | 9,717,606 |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses |  |  | 78,848 |  |  |  |  |  |  |
Advance Rental Payments and Security Deposits |  |  | 229,169 |  |  |  |  |  |  |
Total Liabilities |  |  | 10,025,623 |  |  |  |  |  |  |
Partners' Capital |  |  | (3,409,957) |  |  |  |  |  |  |
Total Liabilities and Capital |  |  | $ 6,615,666 |  |  |  |  |  |  |
Partners' Capital % - NERA |  |  | 50.00% |  |  |  |  |  |  | 50.00%
Investment in Unconsolidated Joint Ventures |  |  |  |  |  |  |  |  |  | $ 1,533,000
Distribution and Loss in Excess of investments in Unconsolidated Joint Venture |  |  | $ (1,704,979) |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 40 |  |  |  |  |  |  | 40
Units to be retained | item |  |  | 40 |  |  |  |  |  |  |
345 Franklin | NERA 50% |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties | 6,092,507 |  |  |  |  |  |  |  |  |
Cash & Cash Equivalents | 56,599 |  |  |  |  |  |  |  |  |
Rent Receivable | 13,680 |  |  |  |  |  |  |  |  |
Real Estate Tax Escrow | 50,280 |  |  |  |  |  |  |  |  |
Prepaid Expenses & Other Assets | 73,892 |  |  |  |  |  |  |  |  |
Total Assets | 6,286,958 |  |  |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Mortgage Notes Payable | 9,535,846 |  |  |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses | 100,067 |  |  |  |  |  |  |  |  |
Advance Rental Payments and Security Deposits | 239,839 |  |  |  |  |  |  |  |  |
Total Liabilities | 9,875,752 |  |  |  |  |  |  |  |  |
Partners' Capital | (3,588,794) |  |  |  |  |  |  |  |  |
Total Liabilities and Capital | $ 6,286,958 |  |  |  |  |  |  |  |  |
Partners' Capital % - NERA | 50.00% |  |  |  |  |  |  |  |  |
Distribution and Loss in Excess of investments in Unconsolidated Joint Venture | $ (1,794,398) |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 40 |  |  |  |  |  |  |  |  |
Units to be retained | property | 40 |  |  |  |  |  |  |  |  |
345 Franklin | Residential buildings |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 40 |  |  |  |  |  |  |
345 Franklin | Residential buildings | NERA 50% |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 40 |  |  |  |  |  |  |  |  |
Hamilton 1025 |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties |  |  | $ 2,155,441 |  |  |  |  |  |  |
Cash & Cash Equivalents |  |  | 200,845 |  |  |  |  |  |  |
Rent Receivable |  |  | 10,388 |  |  |  |  |  |  |
Prepaid Expenses & Other Assets |  |  | 704,019 |  |  |  |  |  |  |
Total Assets |  |  | 3,070,693 |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses |  |  | 35,139 |  |  |  |  |  |  |
Advance Rental Payments and Security Deposits |  |  | 25,656 |  |  |  |  |  |  |
Total Liabilities |  |  | 60,795 |  |  |  |  |  |  |
Partners' Capital |  |  | 3,009,898 |  |  |  |  |  |  |
Total Liabilities and Capital |  |  | $ 3,070,693 |  |  |  |  |  |  |
Partners' Capital % - NERA |  |  | 50.00% |  |  |  | 50.00% |  |  |
Investment in Unconsolidated Joint Ventures |  |  | $ 1,504,948 |  |  |  | $ 2,352,000 |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item | 3 |  | 176 |  |  |  | 176 |  |  |
Units to be retained | item |  |  | 1 |  |  |  | (49) |  |  |
Units to be sold | item |  |  | 176 |  |  |  |  |  |  |
Units sold | item | 15 | 20 | 155 |  |  |  | 127 |  |  |
Unsold units | item |  |  | 20 |  |  |  |  |  |  |
Units unsold with deposits for future sale | item |  |  | 4 |  |  |  |  |  |  |
Hamilton 1025 | NERA 50% |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties | $ 231,176 |  |  |  |  |  |  |  |  |
Cash & Cash Equivalents | 57,985 |  |  |  |  |  |  |  |  |
Rent Receivable | 6,105 |  |  |  |  |  |  |  |  |
Prepaid Expenses & Other Assets | 38,080 |  |  |  |  |  |  |  |  |
Total Assets | 333,346 |  |  |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses | 54,270 |  |  |  |  |  |  |  |  |
Advance Rental Payments and Security Deposits | 8,440 |  |  |  |  |  |  |  |  |
Total Liabilities | 62,710 |  |  |  |  |  |  |  |  |
Partners' Capital | 270,636 |  |  |  |  |  |  |  |  |
Total Liabilities and Capital | $ 333,346 |  |  |  |  |  |  |  |  |
Partners' Capital % - NERA | 50.00% |  |  |  |  |  |  |  |  |
Investment in Unconsolidated Joint Ventures | $ 135,318 |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 176 |  |  |  |  |  |  |  |  |
Units to be retained | property | 1 |  |  |  |  |  |  |  |  |
Units to be sold | property | 175 |  |  |  |  |  |  |  |  |
Units sold | property | 173 |  |  |  |  |  |  |  |  |
Unsold units | property | 2 |  |  |  |  |  |  |  |  |
Hamilton 1025 | Residential buildings |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 175 |  |  |  |  |  |  |
Hamilton 1025 | Residential buildings | NERA 50% |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 175 |  |  |  |  |  |  |  |  |
Hamilton 1025 | Commercial |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 1 |  |  |  |  |  |  |
Hamilton 1025 | Commercial | NERA 50% |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 1 |  |  |  |  |  |  |  |  |
Hamilton Bay Sales |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties |  |  | $ 0 |  |  |  |  |  |  |
Cash & Cash Equivalents |  |  | 20,890 |  |  |  |  |  |  |
Rent Receivable |  |  | 1,480 |  |  |  |  |  |  |
Prepaid Expenses & Other Assets |  |  | 263 |  |  |  |  |  |  |
Total Assets |  |  | 22,633 |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses |  |  | 1,671 |  |  |  |  |  |  |
Advance Rental Payments and Security Deposits |  |  | 101 |  |  |  |  |  |  |
Total Liabilities |  |  | 1,772 |  |  |  |  |  |  |
Partners' Capital |  |  | 20,861 |  |  |  |  |  |  |
Total Liabilities and Capital |  |  | $ 22,633 |  |  |  |  |  |  |
Partners' Capital % - NERA |  |  | 50.00% |  |  |  |  |  |  |
Investment in Unconsolidated Joint Ventures |  |  | $ 10,431 |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item | 4 |  | 120 |  |  |  |  |  |  |
Units to be sold | item |  |  | 120 |  |  |  |  |  |  |
Units sold | item |  |  | 120 |  |  |  |  |  |  |
Unsold units | item |  |  | 0 |  |  |  |  |  |  |
Hamilton Bay Sales | Residential buildings |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 120 |  |  |  |  |  |  |
Hamilton Bay Apts |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties |  |  | $ 3,438,875 |  |  |  |  |  |  |
Cash & Cash Equivalents |  |  | 583,983 |  |  |  |  |  |  |
Rent Receivable |  |  | 7,110 |  |  |  |  |  |  |
Prepaid Expenses & Other Assets |  |  | 501,895 |  |  |  |  |  |  |
Total Assets |  |  | 4,531,863 |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses |  |  | 28,806 |  |  |  |  |  |  |
Advance Rental Payments and Security Deposits |  |  | 25,355 |  |  |  |  |  |  |
Total Liabilities |  |  | 54,161 |  |  |  |  |  |  |
Partners' Capital |  |  | 4,477,702 |  |  |  |  |  |  |
Total Liabilities and Capital |  |  | $ 4,531,863 |  |  |  |  |  |  |
Partners' Capital % - NERA |  |  | 50.00% |  | 50.00% |  |  |  |  |
Investment in Unconsolidated Joint Ventures |  |  | $ 2,238,850 |  | $ 2,500,000 |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 48 |  | 168 |  |  |  |  |
Units to be retained | item |  |  |  |  | (48) |  |  |  |  |
Units to be sold | item |  |  | 48 |  |  |  |  |  |  |
Units sold | item |  |  | 22 |  | 120 |  |  |  |  |
Unsold units | item |  |  | 26 |  |  |  |  |  |  |
Units unsold with deposits for future sale | item |  |  | 6 |  |  |  |  |  |  |
Hamilton Bay Apts | NERA 50% |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties | $ 459,036 |  |  |  |  |  |  |  |  |
Cash & Cash Equivalents | 52,371 |  |  |  |  |  |  |  |  |
Rent Receivable | 3,295 |  |  |  |  |  |  |  |  |
Real Estate Tax Escrow | 0 |  |  |  |  |  |  |  |  |
Prepaid Expenses & Other Assets | 42,375 |  |  |  |  |  |  |  |  |
Total Assets | 557,077 |  |  |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses | 38,861 |  |  |  |  |  |  |  |  |
Advance Rental Payments and Security Deposits | 1,965 |  |  |  |  |  |  |  |  |
Total Liabilities | 40,826 |  |  |  |  |  |  |  |  |
Partners' Capital | 516,251 |  |  |  |  |  |  |  |  |
Total Liabilities and Capital | $ 557,077 |  |  |  |  |  |  |  |  |
Partners' Capital % - NERA | 50.00% |  |  |  |  |  |  |  |  |
Investment in Unconsolidated Joint Ventures | $ 258,126 |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 48 |  |  |  |  |  |  |  |  |
Units to be sold | property | 48 |  |  |  |  |  |  |  |  |
Units sold | property | 44 |  |  |  |  |  |  |  |  |
Unsold units | property | 4 |  |  |  |  |  |  |  |  |
Units unsold with deposits for future sale | property | 3 |  |  |  |  |  |  |  |  |
Hamilton Bay Apts | Residential buildings |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 48 |  |  |  |  |  |  |
Hamilton Bay Apts | Residential buildings | NERA 50% |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 48 |  |  |  |  |  |  |  |  |
Hamilton Minuteman |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties |  |  | $ 5,953,334 |  |  |  |  |  |  |
Cash & Cash Equivalents |  |  | 55,114 |  |  |  |  |  |  |
Rent Receivable |  |  | 4,291 |  |  |  |  |  |  |
Real Estate Tax Escrow |  |  | 22,865 |  |  |  |  |  |  |
Prepaid Expenses & Other Assets |  |  | 34,110 |  |  |  |  |  |  |
Total Assets |  |  | 6,069,714 |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Mortgage Notes Payable | $ 5,893,955 |  | 5,885,772 |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses |  |  | 68,147 |  |  |  |  |  |  |
Advance Rental Payments and Security Deposits |  |  | 96,224 |  |  |  |  |  |  |
Total Liabilities |  |  | 6,050,143 |  |  |  |  |  |  |
Partners' Capital |  |  | 19,571 |  |  |  |  |  |  |
Total Liabilities and Capital |  |  | $ 6,069,714 |  |  |  |  |  |  |
Partners' Capital % - NERA |  |  | 50.00% |  |  |  |  | 50.00% |  |
Investment in Unconsolidated Joint Ventures |  |  | $ 9,786 |  |  |  |  | $ 5,075,000 |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 42 |  |  |  |  | 42 |  |
Units to be retained | item |  |  | 42 |  |  |  |  |  |  |
Hamilton Minuteman | NERA 50% |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties | 5,718,041 |  |  |  |  |  |  |  |  |
Cash & Cash Equivalents | 89,079 |  |  |  |  |  |  |  |  |
Rent Receivable | 6,254 |  |  |  |  |  |  |  |  |
Real Estate Tax Escrow | 33,038 |  |  |  |  |  |  |  |  |
Prepaid Expenses & Other Assets | 23,617 |  |  |  |  |  |  |  |  |
Total Assets | 5,870,029 |  |  |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Mortgage Notes Payable | 5,893,955 |  |  |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses | 74,553 |  |  |  |  |  |  |  |  |
Advance Rental Payments and Security Deposits | 118,562 |  |  |  |  |  |  |  |  |
Total Liabilities | 6,087,070 |  |  |  |  |  |  |  |  |
Partners' Capital | (217,041) |  |  |  |  |  |  |  |  |
Total Liabilities and Capital | $ 5,870,029 |  |  |  |  |  |  |  |  |
Partners' Capital % - NERA | 50.00% |  |  |  |  |  |  |  |  |
Distribution and Loss in Excess of investments in Unconsolidated Joint Venture | $ (108,522) |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 42 |  |  |  |  |  |  |  |  |
Units to be retained | property | 42 |  |  |  |  |  |  |  |  |
Hamilton Minuteman | Residential buildings |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 42 |  |  |  |  |  |  |
Hamilton Minuteman | Residential buildings | NERA 50% |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 42 |  |  |  |  |  |  |  |  |
Hamilton on Main Apts |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties |  |  | $ 17,776,990 |  |  |  |  |  |  |
Cash & Cash Equivalents |  |  | 33,918 |  |  |  |  |  |  |
Rent Receivable |  |  | 16,545 |  |  |  |  |  |  |
Real Estate Tax Escrow |  |  | 220,804 |  |  |  |  |  |  |
Prepaid Expenses & Other Assets |  |  | 99,569 |  |  |  |  |  |  |
Total Assets |  |  | 18,147,826 |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Mortgage Notes Payable | $ 16,805,030 |  | 16,788,979 |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses |  |  | 159,754 |  |  |  |  |  |  |
Advance Rental Payments and Security Deposits |  |  | 365,091 |  |  |  |  |  |  |
Total Liabilities |  |  | 17,313,824 |  |  |  |  |  |  |
Partners' Capital |  |  | 834,002 |  |  |  |  |  |  |
Total Liabilities and Capital |  |  | $ 18,147,826 |  |  |  |  |  |  |
Partners' Capital % - NERA |  |  | 50.00% |  |  |  |  |  | 50.00% |
Investment in Unconsolidated Joint Ventures |  |  | $ 417,000 |  |  |  |  |  | $ 8,000,000 |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 148 |  |  |  |  |  | 280 |
Units to be retained | item |  |  | 148 |  |  |  |  |  |  |
Units sold | item |  |  |  |  |  |  |  |  | 137 |
Hamilton on Main Apts | NERA 50% |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties | 16,896,745 |  |  |  |  |  |  |  |  |
Cash & Cash Equivalents | 275,344 |  |  |  |  |  |  |  |  |
Rent Receivable | 28,594 |  |  |  |  |  |  |  |  |
Real Estate Tax Escrow | 104,618 |  |  |  |  |  |  |  |  |
Prepaid Expenses & Other Assets | 77,662 |  |  |  |  |  |  |  |  |
Total Assets | 17,382,963 |  |  |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Mortgage Notes Payable | 16,805,030 |  |  |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses | 202,350 |  |  |  |  |  |  |  |  |
Advance Rental Payments and Security Deposits | 402,612 |  |  |  |  |  |  |  |  |
Total Liabilities | 17,409,992 |  |  |  |  |  |  |  |  |
Partners' Capital | (27,029) |  |  |  |  |  |  |  |  |
Total Liabilities and Capital | $ 17,382,963 |  |  |  |  |  |  |  |  |
Partners' Capital % - NERA | 50.00% |  |  |  |  |  |  |  |  |
Distribution and Loss in Excess of investments in Unconsolidated Joint Venture | $ (13,515) |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 148 |  |  |  |  |  |  |  |  |
Units to be retained | property | 148 |  |  |  |  |  |  |  |  |
Hamilton on Main Apts | Residential buildings |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 148 |  |  |  |  |  |  |
Hamilton on Main Apts | Residential buildings | NERA 50% |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 148 |  |  |  |  |  |  |  |  |
Dexter Park |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties |  |  | $ 90,176,965 |  |  |  |  |  |  |
Cash & Cash Equivalents |  |  | 666,543 |  |  |  |  |  |  |
Rent Receivable |  |  | 122,640 |  |  |  |  |  |  |
Real Estate Tax Escrow |  |  | 297,259 |  |  |  |  |  |  |
Prepaid Expenses & Other Assets |  |  | 1,405,528 |  |  |  |  |  |  |
Total Assets |  |  | 92,668,935 |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Mortgage Notes Payable | $ 124,375,311 |  | 82,268,855 |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses |  |  | 784,992 |  |  |  |  |  |  |
Advance Rental Payments and Security Deposits |  |  | 2,329,431 |  |  |  |  |  |  |
Total Liabilities |  |  | 85,383,278 |  |  |  |  |  |  |
Partners' Capital |  |  | 7,285,657 |  |  |  |  |  |  |
Total Liabilities and Capital |  |  | $ 92,668,935 |  |  |  |  |  |  |
Partners' Capital % - NERA |  |  | 40.00% | 40.00% |  |  |  |  |  |
Investment in Unconsolidated Joint Ventures |  |  | $ 2,914,262 | $ 15,925,000 |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 409 | 409 |  |  |  |  |  |
Units to be retained | item |  |  | 409 |  |  |  |  |  |  |
Dexter Park | NERA 40% |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Rental Properties | 87,878,971 |  |  |  |  |  |  |  |  |
Cash & Cash Equivalents | 1,391,714 |  |  |  |  |  |  |  |  |
Rent Receivable | 243,078 |  |  |  |  |  |  |  |  |
Real Estate Tax Escrow | 0 |  |  |  |  |  |  |  |  |
Prepaid Expenses & Other Assets | 1,075,075 |  |  |  |  |  |  |  |  |
Total Assets | 90,588,838 |  |  |  |  |  |  |  |  |
LIABILITIES AND PARTNERS' CAPITAL |  |  |  |  |  |  |  |  |  |
Mortgage Notes Payable | 124,375,311 |  |  |  |  |  |  |  |  |
Accounts Payable and Accrued Expenses | 964,087 |  |  |  |  |  |  |  |  |
Advance Rental Payments and Security Deposits | 2,345,031 |  |  |  |  |  |  |  |  |
Total Liabilities | 127,684,429 |  |  |  |  |  |  |  |  |
Partners' Capital | (37,095,591) |  |  |  |  |  |  |  |  |
Total Liabilities and Capital | $ 90,588,838 |  |  |  |  |  |  |  |  |
Partners' Capital % - NERA | 40.00% |  |  |  |  |  |  |  |  |
Distribution and Loss in Excess of investments in Unconsolidated Joint Venture | $ (14,838,237) |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 409 |  |  |  |  |  |  |  |  |
Units to be retained | property | 409 |  |  |  |  |  |  |  |  |
Dexter Park | Residential buildings |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | item |  |  | 409 |  |  |  |  |  |  |
Dexter Park | Residential buildings | NERA 40% |  |  |  |  |  |  |  |  |  |
Total units/ condominiums |  |  |  |  |  |  |  |  |  |
Total | property | 409 |  |  |  |  |  |  |  |  |

X
- Definition Represents the share of partners capital in distribution and loss in excess of investment in unconsolidated joint venture. + References No definition available. + Details
Name: | nen_DistributionAndLossInExcessOfInvestmentInUnconsolidatedJointVenture
Namespace Prefix: | nen_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations reported by an equity method investment of the entity. + References No definition available. + Details
Name: | nen_EquityMethodInvestmentSummarizedFinancialInformationAccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
Namespace Prefix: | nen_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection reported by an equity method investment of the entity. + References No definition available. + Details
Name: | nen_EquityMethodInvestmentSummarizedFinancialInformationAccountsReceivableNet
Namespace Prefix: | nen_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions reported by an equity method investment of the entity. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References No definition available. + Details
Name: | nen_EquityMethodInvestmentSummarizedFinancialInformationCashAndCashEquivalentsAtCarryingValue
Namespace Prefix: | nen_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Refundable consideration, usually cash, held by the entity pending satisfactory completion of the entity's obligations or pending the closing of a contract reported by an equity method investment of the entity. + References No definition available. + Details
Name: | nen_EquityMethodInvestmentSummarizedFinancialInformationCustomerAdvancesAndDeposits
Namespace Prefix: | nen_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property reported by an equity method investment of the entity. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. + References No definition available. + Details
Name: | nen_EquityMethodInvestmentSummarizedFinancialInformationEscrowDeposit
Namespace Prefix: | nen_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amount of income producing properties held for rental reported by an equity method investment of the entity. + References No definition available. + Details
Name: | nen_EquityMethodInvestmentSummarizedFinancialInformationRentalProperties
Namespace Prefix: | nen_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the debt maturities net of unamortized deferred financing costs. + References No definition available. + Details
Name: | nen_EquityMethodInvestmentSummarizedFinancialInformationSecuredDebtNetOfUnamortizedDeferredFinancingCosts
Namespace Prefix: | nen_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets reported by an equity method investment of the entity. + References No definition available. + Details
Name: | nen_EquityMethodInvestmentSummarizedFinancialinformationPrepaidExpenseAndOtherAssets
Namespace Prefix: | nen_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the number of units retained for long-term investment. + References No definition available. + Details
Name: | nen_NumberOfUnitsInRealEstatePropertyRetainedForLongTermInvestment
Namespace Prefix: | nen_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of units sold. + References No definition available. + Details
Name: | nen_NumberOfUnitsInRealEstatePropertySold
Namespace Prefix: | nen_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of units to be sold. + References No definition available. + Details
Name: | nen_NumberOfUnitsInRealEstatePropertyToBeSold
Namespace Prefix: | nen_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of units unsold by the entity. + References No definition available. + Details
Name: | nen_NumberOfUnitsInRealEstatePropertyUnsold
Namespace Prefix: | nen_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of unsold units with deposits for future sales. + References No definition available. + Details
Name: | nen_NumberOfUnitsInRealEstateWithDepositsForFutureSale
Namespace Prefix: | nen_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the net share of partners capital in unconsolidated joint venture investments. + References No definition available. + Details
Name: | nen_PartnersCapitalAccountShareInInvestmentsNet
Namespace Prefix: | nen_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | nen_UnitsInRealEstatePropertyAbstract
Namespace Prefix: | nen_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of assets reported by an equity method investment of the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33912-111571 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612 + Details
Name: | us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssetsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of equity, excluding noncontrolling interest, attributable to the equity method investment of the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(g)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33912-111571 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of liabilities reported by an equity method investment of the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33912-111571 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760 + Details
Name: | us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of liabilities and equity reported by an equity method investment of the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33912-111571 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_EquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The number of units in a real estate property owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfUnitsInRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=nen_HamiltonEssex81LLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nen_PartnershipOwnershipAxis=nen_NewEnglandRealtyAssociatesLimitedPartnership50PercentOwnershipMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=nen_Franklin345LLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=nen_Hamilton1025LLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

X
- Details
Name: | nen_PartnershipOwnershipAxis=nen_NewEnglandRealtyAssociatesLimitedPartnership40PercentOwnershipMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |