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Capital - Narrative (Details)
 9 Months Ended
Sep. 30, 2024
vote
class
shares
Operating Partnership  
Shares and Units [Abstract]  
OP units not owned by the Company (in shares) 107,664,445
Operating Partnership | Empire State Realty OP  
Shares and Units [Abstract]  
OP units not owned by the Company (as a percent) 39.30%
Empire State Realty Trust  
Shares and Units [Abstract]  
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  
Shares and Units [Abstract]  
OP units owned by the company (as a percent) 60.70%
Common Class A  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Common stock outstanding (in shares) 165,506,874
Common Class B  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Common stock outstanding (in shares) 980,707