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v3.21.1

Capital - Additional Information and Private Perpetual Preferred Units (Details) - $ / shares | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020 | May 16, 2019
Shares and Units [Abstract] |  |  |  |
OP units outstanding (in shares) | 285,622,197 |  |  |
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% |  |  |
Dividends declared (in USD per share) | $ 0 | $ 0.105 |  |
2019 Plan |  |  |  |
Shares and Units [Abstract] |  |  |  |
Number of shares authorized under the plan (in shares) | 11,000,000.0 |  |  | 11,000,000.0
Empire State Realty Trust |  |  |  |
Shares and Units [Abstract] |  |  |  |
OP units owned by the Company (in shares) | 172,331,871 |  |  |
Other Partners, Certain Directors, Officers And Other Members Of Executive Management |  |  |  |
Shares and Units [Abstract] |  |  |  |
OP units not owned by the Company (in shares) | 113,290,326 |  |  |
Empire State Realty OP | Empire State Realty Trust |  |  |  |
Shares and Units [Abstract] |  |  |  |
OP units owned by the Company (as a percent) | 60.30% |  |  |
Empire State Realty OP | Other Partners, Certain Directors, Officers And Other Members Of Executive Management |  |  |  |
Shares and Units [Abstract] |  |  |  |
OP units not owned by the Company (as a percent) | 39.70% |  |  |
Private Perpetual Preferred Units, Series 2019 |  |  |  |
Shares and Units [Abstract] |  |  |  |
Private perpetual preferred units, issued (in shares) | 4,664,038 |  | 4,664,038 |
Private perpetual preferred units, liquidation preference (in USD per share) | $ 13.52 |  | $ 13.52 |
Preferred units cumulative cash distributions (in USD per share) | $ 0.70 |  |  |
Private Perpetual Preferred Units, Series 2014 |  |  |  |
Shares and Units [Abstract] |  |  |  |
Private perpetual preferred units, issued (in shares) | 1,560,360 |  | 1,560,360 |
Private perpetual preferred units issued during period (in shares) | 1,560,360 |  |  |
Private perpetual preferred units, liquidation preference (in USD per share) | $ 16.62 |  | $ 16.62 |
Dividends declared (in USD per share) | $ 0.60 |  |  |

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