INTANGIBLES (Details) - USD ($) $ in Thousands	6 Months Ended	9 Months Ended
	Jun. 30, 2021	Sep. 30, 2021	Dec. 31, 2020
Intangible assets:
Lease intangible assets		$ 1,372,462	$ 1,230,886
Goodwill		1,046,070	1,051,650
Accumulated amortization		(921,399)	(941,462)
Net intangible assets		$ 1,531,645	1,376,944
Finite-lived intangible assets, remaining amortization period	10 years 3 months 18 days	6 years 9 months 18 days
Intangible liabilities:
Below market lease intangibles		$ 334,437	339,265
Other lease intangibles		13,498	13,498
Accumulated amortization		(241,810)	(212,655)
Purchase option intangibles		3,568	3,568
Net intangible liabilities		$ 109,693	143,676
Below market leases, remaining weighted average amortization period (in years)	14 years 3 months 18 days	9 years 9 months 18 days
Net intangible liabilities, remaining weighted average amortization period (in years)	14 years 3 months 18 days	9 years 9 months 18 days
Above Market Lease Intangibles
Intangible assets:
Lease intangible assets		$ 137,166	140,096
Finite-lived intangible assets, remaining amortization period	6 years 4 months 24 days	6 years
In-place and Other Lease Intangibles
Intangible assets:
Lease intangible assets		$ 1,235,296	1,090,790
Finite-lived intangible assets, remaining amortization period	10 years 8 months 12 days	6 years 9 months 18 days
Other Intangibles
Intangible assets:
Other intangibles		$ 34,512	$ 35,870
Finite-lived intangible assets, remaining amortization period	10 years	6 years 9 months 18 days