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Deferred Costs, Acquired Lease Intangibles and Goodwill - Acquired Leases (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Acquired below-market ground leases, net |  |
Acquired below-market ground leases | $ 396,916 | $ 396,916
Less: accumulated amortization | (75,675) | (67,843)
Acquired below-market ground leases, net | 321,241 | 329,073
Acquired below-market leases, net |  |
Acquired below-market leases | (55,155) | (64,656)
Less: accumulated amortization | 41,405 | 46,807
Acquired below-market leases, net | $ (13,750) | $ (17,849)

X
- Definition Below Market Ground Lease, Accumulated Amortization + References No definition available. + Details
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Namespace Prefix: | esrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Below Market Ground Lease, Gross + References No definition available. + Details
Name: | esrt_BelowMarketGroundLeaseGross
Namespace Prefix: | esrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Below Market Ground Lease, Net + References No definition available. + Details
Name: | esrt_BelowMarketGroundLeaseNet
Namespace Prefix: | esrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Below Market Ground Lease, Net + References No definition available. + Details
Name: | esrt_BelowMarketGroundLeaseNetAbstract
Namespace Prefix: | esrt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of accumulated amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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X
- Definition Amount before amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
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Period Type: | instant

X
- Definition Amount after amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life. + References No definition available. + Details
Name: | us-gaap_BelowMarketLeaseNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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