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Summary of Significant Accounting Policies - Additional Information (Details)
 12 Months Ended
Dec. 31, 2024
USD ($)
ApartmentUnit
Property
$ / shares
Dec. 31, 2023
USD ($)
$ / shares
Dec. 31, 2022
USD ($)
$ / shares
Capitalized costs development and renovation $ 16,900,000 $ 15,400,000  
Common Stock, Par or Stated Value Per Share | $ / shares $ 0.01 $ 0.01 $ 0.01
Provision for income tax $ 1,256,000 $ 1,148,000 $ 900,000
Alternative minimum tax preference adjustment per share | $ / shares $ (0.04)    
Alternative minimum tax preference adjustment disclosed under treasury regulation one year amounts disclosure per share | $ / shares 0.06866    
Alternative minimum tax preference adjustment disclosed under treasury regulation year three amounts disclosure per share | $ / shares $ 0.05462    
Properties | Property 311    
Noncontrolling Interests – Partially Owned Properties $ (718,000) $ 994,000  
Apartment units | ApartmentUnit 84,249    
Limited Life Partnership Properties [Member]      
Properties | Property 2    
Noncontrolling Interests deficit - Partially Owned Properties $ (1,500,000)    
Noncontrolling interests settlement value $ 51,700,000    
Consolidated Properties [Member]      
Properties | Property 12    
Apartment units | ApartmentUnit 2,656    
Noncontrolling Interests deficit - Partially Owned Properties $ (700,000)    
Federal [Member]      
Provision for income tax $ 0    
Minimum [Member] | Retail Commercial Leases [Member]      
Retail leases term 5 years    
Maximum [Member] | Retail Commercial Leases [Member]      
Retail leases term 10 years    
Furniture and Fixtures [Member] | Minimum [Member]      
Property, plant and equipment, estimated useful lives 5 years    
Furniture and Fixtures [Member] | Maximum [Member]      
Property, plant and equipment, estimated useful lives 10 years    
Building [Member]      
Property, plant and equipment, estimated useful lives 30 years    
Site Improvements [Member]      
Property, plant and equipment, estimated useful lives 8 years    
Replacements [Member] | Minimum [Member]      
Property, plant and equipment, estimated useful lives 5 years    
Replacements [Member] | Maximum [Member]      
Property, plant and equipment, estimated useful lives 10 years    
Renovations and building Improvements [Member] | Minimum [Member]      
Property, plant and equipment, estimated useful lives 5 years    
Renovations and building Improvements [Member] | Maximum [Member]      
Property, plant and equipment, estimated useful lives 15 years    
Corporate Office Leases [Member] | Maximum [Member]      
Remaining lease terms 10 years    
Ground Leases [Member]      
Unsecured borrowing rates for actual pricing period used for calculating discount rate 30 years