Capital - Narrative (Details)	6 Months Ended
Jun. 30, 2025 class vote shares
Operating Partnership
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
OP units not owned by the Company (in shares)	109,308,532
Operating Partnership \| Empire State Realty OP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
OP units not owned by the Company (as a percent)	39.20%
Empire State Realty Trust
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of classes of stock \| class	2
Exchange ratio	0.020
Number of voting rights \| vote	50
Empire State Realty Trust \| Empire State Realty OP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
OP units owned by the company (as a percent)	60.80%
Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock outstanding (in shares)	168,301,105
Common Class B
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock outstanding (in shares)	974,628

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