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Commitments and Contingencies - Unfunded Capital Expenditures (Details) $ in Millions | Mar. 31, 2024 USD ($)
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Commitments and Contingencies Disclosure [Abstract] |
Estimated capital expenditures to be incurred | $ 125.2

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- Definition Unfunded Capital Expenditures + References No definition available. + Details
Name: | esrt_UnfundedCapitalExpenditures
Namespace Prefix: | esrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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