XML 43 R33.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

RENTAL INCOME (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2024
RENTAL INCOME. |
Schedule of minimum future annual rental income on non-cancellable operating leases | ​
​ | ​ | ​ | ​ | ​
​ |  | Commercial |
​ | ​ | Property Leases |
2025 | ​ | $ | 3,048,338 | ​
2026 | ​ |  | 2,812,231 | ​
2027 | ​ |  | 2,467,300 | ​
2028 | ​ |  | 2,233,941 | ​
2029 | ​ |  | 1,895,581 | ​
Thereafter | ​ |  | 9,470,229 | ​
​ | ​ | $ | 21,927,620 | ​
Schedule of information for commercial leases | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Annual base |  | ​ |  | ​ |  | Percentage of |
​ | ​ | rent for | ​ | Total square feet | ​ | Total number of | ​ | annual base rent for |
Through June 30, | ​ | expiring leases | ​ | for expiring leases | ​ | leases expiring | ​ | expiring leases |
2025 | ​ | $ | 441,070 | ​ | 31,292 | ​ | 29 | ​ | 12 | %
2026 | ​ |  | 304,000 | ​ | 8,601 | ​ | 10 | ​ | 9 | %
2027 | ​ |  | 300,625 | ​ | 12,440 | ​ | 6 | ​ | 8 | %
2028 | ​ |  | 283,478 | ​ | 7,651 | ​ | 3 | ​ | 8 | %
2029 | ​ |  | 352,839 | ​ | 8,733 | ​ | 4 | ​ | 10 | %
2030 | ​ |  | 291,029 | ​ | 12,026 | ​ | 1 | ​ | 8 | %
2031 | ​ |  | — | ​ | — | ​ | — | ​ | — | %
2032 | ​ |  | 110,600 | ​ | 1,106 | ​ | 1 | ​ | 3 | %
2033 | ​ | ​ | — | ​ | — | ​ | — | ​ | — | %
2034 | ​ | ​ | 533,784 | ​ | 20,897 | ​ | 2 | ​ | 15 | %
Thereafter | ​ | ​ | 947,722 | ​ | 27,140 | ​ | 3 | ​ | 27 | %
Totals | ​ | $ | 3,565,147 |  | 129,886 |  | 59 |  | 100 | %

X
- Definition Tabular disclosure of information related to commercial leases, including annual base rent, total square feet, total number, and percentage of annual base rent for expiring leases. + References No definition available. + Details
Name: | nen_ScheduleOfCommercialLeaseInformationTableTextBlock
Namespace Prefix: | nen_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of future minimum rental receivable in the aggregate and for each of the five succeeding fiscal years for noncancelable operating leases. + References No definition available. + Details
Name: | nen_ScheduleOfFutureMinimumPaymentsReceivableFromOperatingLeasesTableTextBlock
Namespace Prefix: | nen_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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