Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2024	Dec. 31, 2023
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)	163,816,000	162,062,000
Common stock outstanding (in shares)	163,816,000	162,062,000
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)	982,000	984,000
Common stock outstanding (in shares)	982,000	984,000
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