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FAIR VALUE MEASUREMENTS - Narrative (Details)
 9 Months Ended
Sep. 30, 2025
USD ($)
apartmentCommunity
Dec. 31, 2024
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Number of apartment communities impaired during period | apartmentCommunity 6  
Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Real estate investment, unfunded commitments $ 750,000  
Fair Value, Nonrecurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Non-financial assets   $ 0
Non-financial liabilities   0
Fair Value Measured at Net Asset Value Per Share | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Real estate investment, fair value disclosure $ 3,400,000 $ 2,700,000
Minimum | Level 3 | Fair Value, Recurring | Interest Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Receivables, measurement input 0.0500  
Minimum | Level 3 | Fair Value, Recurring | Credit Risk    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Receivables, measurement input 0.005  
Maximum | Level 3 | Fair Value, Recurring | Interest Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Receivables, measurement input 0.0900  
Maximum | Level 3 | Fair Value, Recurring | Credit Risk    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Receivables, measurement input 0.010