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Capital - Additional Information and Private Perpetual Preferred Units (Details)
 9 Months Ended
Sep. 30, 2022
USD ($)
shares
May 16, 2019
shares
Shares and Units [Abstract]    
LTIP unit, share of stock equivalent (in shares) 1  
Conversion rate tor LTIP units to OP units 1  
Dividends on common stock received until performance criteria met for LTIP units (as a percent) 10.00%  
Dividends on common stock received after performance criteria met for LTIP units (as a percent) 90.00%  
Dividends on common stock received in periods after performance criteria met for LTIP units (as a percent) 100.00%  
Stock repurchase authorized amount | $ $ 500,000,000  
2019 Plan    
Shares and Units [Abstract]    
Number of shares authorized under the plan (in shares) 11,000,000 11,000,000
Other partners, certain directors, officers and other members of executive management    
Shares and Units [Abstract]    
OP units not owned by the Company (in shares) 110,959,627  
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) 40.70%  
Empire state realty trust    
Shares and Units [Abstract]    
OP units owned by the Company (in shares) 161,569,374  
Empire state realty trust | Empire state realty OP    
Shares and Units [Abstract]    
OP units owned by the company (as a percent) 59.30%  
Common Class A    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Common stock outstanding (in shares) 160,576,042  
Common Class B    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Common stock outstanding (in shares) 993,332