INVESTMENTS IN UNCONSOLIDATED JOINT VENTURES - Balance sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
ASSETS
Real estate, net	$ 64,651	$ 67,334
Cash and cash equivalents	1,548	4,310	$ 6,515	$ 9,196
Restricted cash	20,507	20,535	$ 9,554	$ 9,474
Prepaid expenses and other assets, net	3,774	4,126
Intangible assets, net	7,692	8,432
Total assets	306,927	341,170
LIABILITIES
Accounts payable and accrued expenses	19,018	17,864
Total liabilities	279,586	291,163
STOCKHOLDERS' EQUITY
Accumulated deficit	(56,886)	(36,196)
Total liabilities and stockholders' equity	306,927	341,170
Our investments in unconsolidated joint ventures	4,386	17,938
Unconsolidated Joint Ventures
ASSETS
Real estate, net	113,571	164,143
Cash and cash equivalents	1,345	1,244
Restricted cash	731	891
Tenant and other receivables, net	197	225
Prepaid expenses and other assets, net	2,185	315
Intangible assets, net	9,047	21,527
Total assets	127,076	188,345
LIABILITIES
Mortgages payable, net	80,495	112,934
Accounts payable and accrued expenses	1,507	1,849
Total liabilities	82,002	114,783
STOCKHOLDERS' EQUITY
Members' equity	48,677	87,654
Accumulated deficit	(3,603)	(14,092)
Total members' equity	45,074	73,562
Total liabilities and stockholders' equity	127,076	188,345
Our investments in unconsolidated joint ventures	$ 4,386	$ 17,938