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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Percent of Total Rental Revenue | For the years ended December 31, 2022, 2021 and 2020, the six properties listed below accounted for the highest respective percentages of total rental revenues.
|  | Year Ended December 31,
|  | 2022 |  | 2021 |  | 2020
Empire State Building |  | 29.9 | % |  | 31.7 | % |  | 32.8 | %
One Grand Central Place |  | 12.4 | % |  | 12.6 | % |  | 12.4 | %
111 West 33rd Street |  | 11.2 | % |  | 11.3 | % |  | 10.5 | %
1400 Broadway |  | 8.3 | % |  | 8.9 | % |  | 8.0 | %
250 West 57th Street |  | 6.0 | % |  | 5.8 | % |  | 5.7 | %
First Stamford Place |  | 4.7 | % |  | 5.2 | % |  | 5.4 | %
Schedule of Contributions to Multiemployer Plans | Contributions we made to the multi-employer plans for the years ended December 31, 2022, 2021 and 2020 are included in the table below (amounts in thousands):
|  | For the Year Ended December 31,
Benefit Plan |  | 2022 |  | 2021 |  | 2020
Pension Plans (pension and annuity)* |  | $ | 2,958 |  |  | $ | 2,165 |  |  | $ | 2,383 |
Health Plans** |  | 8,618 |  |  | 6,214 |  |  | 6,873 |
Other*** |  | 460 |  |  | 305 |  |  | 416 |
Total plan contributions |  | $ | 12,036 |  |  | $ | 8,684 |  |  | $ | 9,672 |
* Pension plans include $0.8 million, $0.7 million and $0.8 million for the years ended 2022, 2021 and 2020, respectively, to multiemployer plans not discussed above. ** Health plans include $1.5 million, $1.4 million and $1.4 million for the years ended 2022, 2021 and 2020, respectively, to multiemployer plans not discussed above. *** Other consists of union costs which were not itemized between pension and health plans. Other includes $0.2 million, $0.2 million and $0.3 million for the years ended 2022, 2021 and 2020, respectively, in connection with other multiemployer plans not discussed above.

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