v3.26.1
FAIR VALUE MEASUREMENTS - Fair value of mortgages payable (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
Y
Dec. 31, 2025
USD ($)
Y
FAIR VALUE MEASUREMENTS    
Line of credit, fair value $ 32,000,000  
Mortgages payable    
FAIR VALUE MEASUREMENTS    
Fair value of mortgages payable 530,252,000 $ 517,660,000
Carrying value of mortgages payable, gross 534,656,000 522,501,000
Fair value less than carrying value $ (4,404,000) $ (4,841,000)
Weighted average interest rate 4.91% 4.88%
Mortgages payable | Blended market interest rate    
FAIR VALUE MEASUREMENTS    
Long-term debt, measurement input 0.0547 0.0544
Mortgages payable | Weighted average remaining term to maturity (years)    
FAIR VALUE MEASUREMENTS    
Long-term debt, measurement input | Y 5.6 5.8