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Commitments and Contingencies - Schedule of Percent of Total Rental Revenue (Details) - Rental revenue - Customer concentration risk | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Empire State Building |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage (as a percent) | 29.60% | 29.90% | 31.70%
One Grand Central Place |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage (as a percent) | 12.80% | 12.40% | 12.60%
111 West 33rd Street |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage (as a percent) | 10.80% | 11.20% | 11.30%

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