Equity - Shares and Units (Details)	6 Months Ended
	Jun. 30, 2023 USD ($) vote class shares	Dec. 31, 2022 shares	May 16, 2019 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
OP Unit, redemption term for cash (in years)	1 year
OP Unit, exchange ratio to common stock	1
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%
OP units owned by the Company and other partners (in shares)	110,086,858
Number of classes | class	2
Exchange ratio	0.020
Stock repurchase authorized amount | $	$ 500,000,000
Empire state realty OP | Empire state realty trust
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
OP units owned by the Company (as a percent)	59.40%
Empire state realty OP | Other partners, company directors, members of senior management and other employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
OP units not owned by other partner (as a percent)	40.60%
Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock outstanding (in shares)	159,842,614
Common stock outstanding (in shares)	159,843,000	160,139,000
Class B Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock outstanding (in shares)	988,180	990,000
Number of voting rights (in shares) | vote	50
2019 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized under the plan (in shares)	11,000,000		11,000,000