INCOME TAXES (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Income Tax Contingency [Line Items]
Deferred tax liabilities, net	$ (283)		$ (283)		$ (5,137)
Deferred tax assets, net	(10,023)		(10,023)		0
Income tax expense	$ 459	$ 53	$ (13,103)	$ 1,249
Puerto Rico
Income Tax Contingency [Line Items]
Number of malls	2		2
Deferred Tax Assets, Gross	$ 13,400		$ 13,400
Branch profit tax			10.00%
Commonwealth of Puerto Rico
Income Tax Contingency [Line Items]
Deferred tax assets, net	(1,700)		$ (1,700)
Valuation allowance	1,700		1,700
Current state and local tax expense	1,700		$ 1,700
Commonwealth of Puerto Rico | Puerto Rico
Income Tax Contingency [Line Items]
Non-resident withholding tax percentage			29.00%
Income tax expense	(1,300)	$ 100	$ (14,800)	$ 1,200
Montehiedra Town Center
Income Tax Contingency [Line Items]
Deferred tax liabilities, net					$ (4,000)
Montehiedra Town Center | Puerto Rico
Income Tax Contingency [Line Items]
Deferred tax liabilities, net	(10,300)		(10,300)
Deferred tax assets, net	$ (23,700)		$ (23,700)
Minimum | Puerto Rico
Income Tax Contingency [Line Items]
State and local income taxes			18.50%
Maximum | Puerto Rico
Income Tax Contingency [Line Items]
State and local income taxes			37.50%