SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Recoverability of Real Estate Assets (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($) property	Jun. 30, 2021 USD ($) property loan
Real Estate [Line Items]
Impairment of real estate assets | $	$ 19,287	$ 4,377
Number of properties impaired | loan		5
Number of properties		5
Sales Price Less Than Carrying Value
Real Estate [Line Items]
Number of properties		3
Vacant
Real Estate [Line Items]
Number of properties		2
Property
Real Estate [Line Items]
Impairment of real estate assets | $	$ 11,300	$ 4,400
Number of properties impaired	18	5
Condominium Units
Real Estate [Line Items]
Impairment of real estate assets | $	$ 7,900