v3.25.2
Equity - Shares and Units (Narrative) (Details)
 6 Months Ended
Jun. 30, 2025
class
vote
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
OP Unit, redemption term for cash (in years) 1 year
OP Unit, exchange ratio to common stock 1
OP units owned by the Company and other partners (in shares) 109,308,532
Number of classes | class 2
Exchange ratio 0.020
Empire State Realty OP | Empire State Realty Trust  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
OP units owned by the company (as a percent) 60.80%
Empire State Realty OP | Other Partners, Company Directors, Members of Senior Management and Other Employees  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
OP units not owned by other partner (as a percent) 39.20%
Class A Common Stock  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Common stock outstanding (in shares) 168,301,105
Class B Common Stock  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Common stock outstanding (in shares) 974,628
Number of voting rights (in shares) | vote 50