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Significant Accounting Policies - Schedule of Properties Contributed of Annualized Cash Rent (Details) - Annualized Rent - Customer Concentration | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
One Vanderbilt Avenue |  |  |
Concentration of Credit Risk |  |  |
Percentage of concentration (percent) | 16.00% | 14.10% |
11 Madison Avenue |  |  |
Concentration of Credit Risk |  |  |
Percentage of concentration (percent) | 8.30% | 7.80% | 10.80%
420 Lexington Avenue |  |  |
Concentration of Credit Risk |  |  |
Percentage of concentration (percent) | 6.70% | 6.30% | 8.30%
1515 Broadway |  |  |
Concentration of Credit Risk |  |  |
Percentage of concentration (percent) | 6.40% | 5.80% | 8.10%
1185 Avenue of the Americas |  |  |
Concentration of Credit Risk |  |  |
Percentage of concentration (percent) | 5.60% | 5.10% | 8.00%
280 Park Avenue |  |  |
Concentration of Credit Risk |  |  |
Percentage of concentration (percent) | 5.50% | 5.10% | 6.70%
245 Park Avenue |  |  |
Concentration of Credit Risk |  |  |
Percentage of concentration (percent) | 5.50% | 10.00% |
919 Third Avenue |  |  |
Concentration of Credit Risk |  |  |
Percentage of concentration (percent) |  |  | 5.30%
485 Lexington Avenue |  |  |
Concentration of Credit Risk |  |  |
Percentage of concentration (percent) |  |  | 5.30%
555 West 57th Street |  |  |
Concentration of Credit Risk |  |  |
Percentage of concentration (percent) |  |  | 5.20%

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