INTANGIBLE LEASE ASSETS AND LIABILITIES - Summary of Estimated Amortization and Accretion (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Future Amortization Amount
Total	$ 53,215	$ 50,176
Future Accretion to Income Property Revenue
Total	(23,396)	$ (24,163)
Net Future Amortization of Intangible Assets and Liabilities
Remainder of 2021	4,526
2022	5,696
2023	5,553
2024	5,603
2025	3,685
2026 and thereafter	4,756
Total	29,819
Future Amortization
Future Amortization Amount
Remainder of 2021	5,678
2022	7,308
2023	7,167
2024	7,132
2025	5,160
2026 and thereafter	12,019
Total	44,464
Future Accretion to Income Property Revenue
Future Accretion to Income Property Revenue
Remainder of 2021	(1,152)
2022	(1,612)
2023	(1,614)
2024	(1,529)
2025	(1,475)
2026 and thereafter	(7,263)
Total	$ (14,645)

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