Concentration of Credit Risk (Details) ft² in Millions	Dec. 31, 2021 ft² a property
Real Estate Properties
Number of properties (property)	253
Percentage accounted by properties of its annualized base rent	27.30%
Office building \| Northern New Jersey/New York City
Real Estate Properties
Number of properties (property)	62
Area of real estate property \| ft²	3.4
Improved Land parcels \| Northern New Jersey/New York City
Real Estate Properties
Number of properties (property)	10
Area of real estate property \| a	54.2

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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