Equity - Shares and Units (Details)	12 Months Ended
	Dec. 31, 2022 USD ($) shares	May 16, 2019 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
OP Unit redemption for cash term (in years)	1 year
OP Unit exchange ratio to common stock	1
Conversion rate basis	1
Percentage of dividends on common stock received until performance criteria met for LTIP units (as a percent)	10.00%
Percentage of dividends on common stock received after performance criteria met for LTIP units (as a percent)	90.00%
Percentage of dividends on common stock received in periods after performance criteria met for LTIP units (as a percent)	100.00%
OP units outstanding (in shares)	271,000,000
Stock repurchase authorized amount | $	$ 500,000,000
Empire state realty trust
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
OP units owned by the company (in shares)	161,100,000
Empire state realty trust | Empire state realty OP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
OP units owned by the company (as a percent)	59.40%
Other partners, certain directors, officers and other members of executive management
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
OP units not owned by the company (in shares)	109,900,000
Other partners, certain directors, officers and other members of executive management | Empire state realty OP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
OP units not owned by the company, (as a percent)	40.50%
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