Capital - Narrative (Details)	3 Months Ended
Mar. 31, 2025 vote class shares
Operating Partnership
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
OP units not owned by the Company (in shares)	110,662,788
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)	39.70%
Empire State Realty Trust
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of classes of stock \| class	2
Number of voting rights \| vote	50
Exchange ratio	0.020
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)	60.30%
Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock outstanding (in shares)	167,093,536
Common Class B
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock outstanding (in shares)	976,082

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