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Commitments and Contingencies - Schedule of Percent of Total Rental Revenue (Details) - Rental revenue - Customer concentration risk
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Empire State Building      
Concentration Risk [Line Items]      
Concentration risk percentage (as a percent) 31.90% 29.60% 29.90%
One Grand Central Place      
Concentration Risk [Line Items]      
Concentration risk percentage (as a percent) 12.70% 12.80% 12.40%
111 West 33rd Street      
Concentration Risk [Line Items]      
Concentration risk percentage (as a percent) 10.90% 10.80% 11.20%