Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2023	Dec. 31, 2022
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)	162,062,000	160,139,000
Common stock outstanding (in shares)	162,061,947	160,139,000
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)	984,000	990,000
Common stock outstanding (in shares)	984,317	990,000
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