TENANT ORIGINATION AND ABSORPTION COSTS, ABOVE-MARKET LEASE ASSETS AND BELOW-MARKET LEASE LIABILITIES (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Tenant Origination and Absorption Costs, Above-Market Lease Assets and Below-Market Lease Liabilities [Line Items]
Housing subsidy intangible asset	$ 1,900	$ 2,000
Amortization expense	$ 58,871	45,041	$ 34,004
Housing subsidy intangible asset
Tenant Origination and Absorption Costs, Above-Market Lease Assets and Below-Market Lease Liabilities [Line Items]
Remaining amortization period	26 years 10 months 24 days
Amortization expense	$ 71	17
Prepaid expenses and other assets
Tenant Origination and Absorption Costs, Above-Market Lease Assets and Below-Market Lease Liabilities [Line Items]
Tax abatement intangible assets	$ 700	1,600
Property tax abatement intangible assets
Tenant Origination and Absorption Costs, Above-Market Lease Assets and Below-Market Lease Liabilities [Line Items]
Remaining amortization period	1 year 7 months 6 days
Amortization expense	$ 900	$ 700	$ 600