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Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Loss Carryforwards [Line Items]
Effective income tax rate (as a percent)	33.60%	26.00%	47.00%
Valuation allowance	$ 0	$ 0	$ 0
Unrecognized tax benefits	0	0	$ 0
Empire State Realty Trust
Operating Loss Carryforwards [Line Items]
NOL carryforwards		$ 99,800,000
Observatory | Operating Segments
Operating Loss Carryforwards [Line Items]
Increase of U.S. corporation income tax benefit as a result of NOL carryback from CARES Act (as a percent)			13.00%
NOL carryforwards	10,200,000
Income tax receivable	$ 2,500,000

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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-Publisher FASB
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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.

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Amount of unrecognized tax benefits.

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