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Investments in Real Estate - Additional Information (Detail)
$ in Thousands
3 Months Ended 6 Months Ended 9 Months Ended
Oct. 26, 2023
property
market
Feb. 28, 2023
USD ($)
Sep. 30, 2023
USD ($)
unit
Sep. 30, 2022
USD ($)
Dec. 31, 2023
USD ($)
Sep. 30, 2023
USD ($)
unit
Sep. 30, 2022
USD ($)
Sep. 30, 2023
property
Sep. 30, 2023
jointVenture
Real Estate Properties [Line Items]                  
Number of multifamily properties owned | property               120  
Number of joint ventures               1 4
Number of units located with multifamily properties | unit     35,427     35,427      
Impairment charges     $ 11,268 $ 0   $ 11,268 $ 0    
Disposition of real estate properties, net           35,557 155,639    
(Loss on impairment) gain on sale of real estate assets, net     $ (11,268) $ 0   $ (10,284) $ 94,712    
Subsequent Event                  
Real Estate Properties [Line Items]                  
Number of properties targeted for sale | property 10                
Number of markets | market 7                
CHICAGO MERCANTILE EXCHANGE                  
Real Estate Properties [Line Items]                  
Number of properties | property               1  
Eagle Lake Landing Apartments                  
Real Estate Properties [Line Items]                  
Disposition of real estate properties, net   $ 37,300              
(Loss on impairment) gain on sale of real estate assets, net   $ 985              
Mortgages | Forecast                  
Real Estate Properties [Line Items]                  
Mortgage loan related to property disposition         $ 40,593        
Held-for-Sale                  
Real Estate Properties [Line Items]                  
Number of multifamily properties owned | property               1  
Number of units located with multifamily properties | unit     374     374