v3.26.1
Consolidated Balance Sheets (unaudited) (Parenthetical) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
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 $ 1,718 $ 1,695
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) 171,790,000 169,523,000
Common stock outstanding (in shares) 171,790,000 169,523,000
Class B Common Stock    
Empire State Realty Trust, Inc. stockholders' equity:    
Common stock $ 10 $ 10
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) 968,000 972,000
Common stock outstanding (in shares) 968,000 972,000
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) 4,664,000 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