BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Deferred Rent Receivable and Charges (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Deferred rent receivable	$ 20,702	$ 20,870
Deferred leasing costs, net of accumulated amortization of $9,228 and $8,971, respectively	8,205	8,453
Deferred offering costs	6,360	6,281
Other deferred costs	491	491
Deferred rent receivable and charges, net	35,758	36,095
Deferred leasing costs, accumulated amortization	$ 9,228	$ 8,971