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Concentration of Credit Risk (Details)
ft² in Millions
Jun. 30, 2022
a
ft²
property
Real Estate Properties  
Percentage accounted by properties of its annualized base rent 24.90%
Office building | Northern New Jersey/New York City  
Real Estate Properties  
Number of properties (property) 44
Area of real estate property | ft² 2.9
Improved land parcels | Northern New Jersey/New York City  
Real Estate Properties  
Number of properties (property) 13
Area of real estate property | a 68.0