INTANGIBLES (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Intangible assets:
Lease intangible assets	$ 1,240,488		$ 1,306,152
Goodwill	1,050,115		1,051,161
Accumulated amortization	(924,862)		(920,742)
Net intangible assets	$ 1,401,507		1,472,408
Finite-lived intangible assets, remaining amortization period	10 years 3 months 18 days	10 years 2 months 12 days
Intangible liabilities:
Below market lease intangibles	$ 339,173		349,357
Other lease intangibles	13,498		13,498
Accumulated amortization	(205,255)		(203,834)
Purchase option intangibles	3,568		3,568
Net intangible liabilities	$ 150,984		162,589
Below market leases, remaining weighted average amortization period (in years)	14 years 4 months 24 days	14 years 6 months
Net intangible liabilities, remaining weighted average amortization period (in years)	14 years 4 months 24 days	14 years 6 months
Above Market Lease Intangibles
Intangible assets:
Lease intangible assets	$ 142,551		145,891
Finite-lived intangible assets, remaining amortization period	6 years 8 months 12 days	6 years 10 months 24 days
In-place and Other Lease Intangibles
Intangible assets:
Lease intangible assets	$ 1,097,937		1,160,261
Finite-lived intangible assets, remaining amortization period	10 years 9 months 18 days	10 years 7 months 6 days
Other Intangibles
Intangible assets:
Other intangibles	$ 35,766		$ 35,837
Finite-lived intangible assets, remaining amortization period	10 years 6 months	10 years 10 months 24 days