Organization (Details)	Dec. 31, 2023 a ft² property apartment
Commercial properties
Real Estate Properties [Line Items]
Number of real estate properties	4
Office building
Real Estate Properties [Line Items]
Area of property | ft²	1,056,793
Multifamily properties
Real Estate Properties [Line Items]
Number of real estate properties	14
Number of units in real estate property | apartment	2,328
Developed and undeveloped land
Real Estate Properties [Line Items]
Area of land | a	1,843
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%