Investments in Unconsolidated Joint Ventures - Balance sheet (Details) - USD ($)	Oct. 31, 2023	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021
ASSETS
Real estate, net		$ 62,736,000	$ 64,651,000
Cash and cash equivalents	$ 583,000,000	809,000	1,548,000	$ 2,190,000	$ 4,310,000
Restricted cash		8,231,000	20,507,000	$ 9,482,000	$ 20,535,000
Prepaid expenses and other assets, net		4,323,000	3,774,000
Intangible assets, net		7,137,000	7,692,000
Total assets		267,695,000	306,927,000
LIABILITIES
Accounts payable and accrued expenses		25,320,000	19,018,000
Total liabilities		268,855,000	279,586,000
STOCKHOLDERS' EQUITY
Accumulated deficit		(85,930,000)	(56,886,000)
Total liabilities and stockholders' (deficit) equity		$ 267,695,000	306,927,000
Our investments in unconsolidated joint ventures			4,386,000
Unconsolidated Joint Ventures
ASSETS
Real estate, net			113,571,000
Cash and cash equivalents			1,345,000
Restricted cash			731,000
Tenant and other receivables, net			197,000
Prepaid expenses and other assets, net			2,185,000
Intangible assets, net			9,047,000
Total assets			127,076,000
LIABILITIES
Mortgages payable, net			80,495,000
Accounts payable and accrued expenses			1,507,000
Total liabilities			82,002,000
STOCKHOLDERS' EQUITY
Members' equity			48,677,000
Accumulated deficit			(3,603,000)
Total members' equity			45,074,000
Total liabilities and stockholders' (deficit) equity			127,076,000
Our investments in unconsolidated joint ventures			$ 4,386,000