INTANGIBLE ASSETS AND LIABILITIES - Summary of Estimated Amortization and Accretion (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Future Amortization Amount    
Sub-total Intangible Lease Assets-Net $ 52,685 $ 36,881
Future Accretion to Income Property Revenue    
Sub-total Intangible Lease Liabilities -Net (4,998) $ (3,299)
Net Future Amortization of Intangible Assets and Liabilities    
Remainder of 2021 1,745  
2022 6,979  
2023 6,977  
2024 6,759  
2025 6,257  
2026 and thereafter 18,970  
Total $ 47,687  
Amount allocated of total acquisition cost    
Weighted average amortization period 8 years 10 months 24 days  
Future Amortization    
Future Amortization Amount    
Remainder of 2021 $ 1,819  
2022 7,276  
2023 7,274  
2024 7,044  
2025 6,496  
2026 and thereafter 20,063  
Sub-total Intangible Lease Assets-Net 49,972  
Future Accretion to Income Property Revenue    
Future Accretion to Income Property Revenue    
Remainder of 2021 (74)  
2022 (297)  
2023 (297)  
2024 (285)  
2025 (239)  
2026 and thereafter (1,093)  
Sub-total Intangible Lease Liabilities -Net $ (2,285)