Organization (Details)	Sep. 30, 2022 a ft² apartment property
Office Building
Real Estate Properties [Line Items]
Number of real estate properties	4
Area of property | ft²	1,056,793
Multifamily properties
Real Estate Properties [Line Items]
Number of real estate properties	7
Number of units in real estate property | apartment	1,180
Developed and undeveloped land
Real Estate Properties [Line Items]
Area of land | a	1,847
Unconsolidated joint venture
Real Estate Properties [Line Items]
Number of units in real estate property | apartment	1,148
Unconsolidated joint venture | Multifamily properties
Real Estate Properties [Line Items]
Number of real estate properties	7
Regis Realty Prime, LLC | Commercial properties
Real Estate Properties [Line Items]
Number of real estate properties	3
ARL | Related Party Entities
Real Estate Properties [Line Items]
Ownership interest	7.00%
ARL | Related Party Entities | Majority Shareholder
Real Estate Properties [Line Items]
Ownership interest	78.00%