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Capital - Shares and Units (Narrative) (Details)
 12 Months Ended
Dec. 31, 2023
class
vote
shares
Other partners, certain directors, officers and other members of executive management  
Shares and Units [Abstract]  
OP units not owned by the company (in shares) 107,900,200
Other partners, certain directors, officers and other members of executive management | Empire State Realty OP  
Shares and Units [Abstract]  
OP units not owned by the company (as a percent) 39.80%
Empire State Realty Trust  
Shares and Units [Abstract]  
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  
Shares and Units [Abstract]  
OP units owned by the company (as a percent) 60.20%
Common Class A  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Common stock outstanding (in shares) 162,061,947
Common Class B  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Common stock outstanding (in shares) 984,317