v3.25.2
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2025
Dec. 31, 2024
Empire State Realty Trust, Inc. stockholders' equity:    
Preferred stock, par value (in USD per share) $ 0.01 $ 0.01
Preferred stock authorized (in shares) 50,000,000 50,000,000
Preferred stock issued (in shares) 0 0
Preferred stock outstanding (in shares) 0 0
Class A Common Stock    
Empire State Realty Trust, Inc. stockholders' equity:    
Common stock, par value (in USD per share) $ 0.01 $ 0.01
Common stock authorized (in shares) 400,000,000 400,000,000
Common stock issued (in shares) 168,301,000 166,405,000
Common stock outstanding (in shares) 168,301,000 166,405,000
Class B Common Stock    
Empire State Realty Trust, Inc. stockholders' equity:    
Common stock, par value (in USD per share) $ 0.01 $ 0.01
Common stock authorized (in shares) 50,000,000 50,000,000
Common stock issued (in shares) 975,000 978,000
Common stock outstanding (in shares) 975,000 978,000
Private Perpetual Preferred Units, Series 2019    
Empire State Realty Trust, Inc. stockholders' equity:    
Private perpetual preferred units, per unit liquidation preference (in USD per share) $ 13.52 $ 13.52
Private perpetual preferred units issued (in shares) 4,664,038 4,664,000
Private perpetual preferred units outstanding (in shares) 4,664,000 4,664,000
Private Perpetual Preferred Units, Series 2014    
Empire State Realty Trust, Inc. stockholders' equity:    
Private perpetual preferred units, per unit liquidation preference (in USD per share) $ 16.62 $ 16.62
Private perpetual preferred units issued (in shares) 1,560,000 1,560,000
Private perpetual preferred units outstanding (in shares) 1,560,000 1,560,000