XML 42 R28.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Rental Income (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Leases [Abstract] |
Schedule of Future Minimum Payments Receivable for Operating Leases | As of December 31, 2017, we were entitled to the following future contractual minimum lease payments on non-cancellable operating leases to be received which expire on various dates through 2038 (amounts in thousands):
2018 |  |  | $ | 463,110 |
2019 |  |  | 451,161 |
2020 |  |  | 413,745 |
2021 |  |  | 381,394 |
2022 |  |  | 351,431 |
Thereafter |  |  | 1,649,567 |
|  |  | $ | 3,710,408 |

X
- Definition Schedule of Future Minimum Payments Receivable for Operating Leases [Table Text Block] + References No definition available. + Details
Name: | esrt_ScheduleofFutureMinimumPaymentsReceivableforOperatingLeasesTableTextBlock
Namespace Prefix: | esrt_
Data Type: | nonnum: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