INTANGIBLE LEASE ASSETS AND LIABILITIES (Estimated Amortization of Intangible Lease Assets) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Amortiztaion, In-Place Leases and Other Intangibles, Above-Market Leases
Total	$ 181,906	$ 182,147
Below Market Lease, Amortization Income, Maturity Schedule [Abstract]
Remainder of 2020	3,763
2021	3,129
2022	2,609
2023	2,198
2024	1,650
Thereafter	6,812
Total	20,161	20,523
In-Place Leases and Other Intangibles
Amortiztaion, In-Place Leases and Other Intangibles, Above-Market Leases
Remainder of 2020	16,565
2021	19,541
2022	18,088
2023	16,021
2024	14,211
Thereafter	79,806
Total	164,232	164,724
Above-Market Leases
Amortiztaion, In-Place Leases and Other Intangibles, Above-Market Leases
Remainder of 2020	2,151
2021	2,330
2022	2,138
2023	1,868
2024	1,410
Thereafter	7,777
Total	$ 17,674	$ 17,423