Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Mortgage and other notes receivable, net of reserve	$ 15,475	$ 15,476
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	43,424,841	43,424,841
Common stock, shares outstanding (in shares)	43,409,841	43,409,841
Real estate properties, net	$ 2,092,580	$ 2,107,082
Cash and cash equivalents	11,357	22,347
Straight-line rent receivable	84,257	84,713
Other assets, net	26,053	24,063
Accounts payable and accrued expenses	$ (26,782)	$ (34,304)
Common stock, shares outstanding (in shares)	43,409,841	43,409,841
Common stock, shares issued (in shares)	43,424,841	43,424,841
Variable Interest Entity, Primary Beneficiary
Real estate properties, net	$ 510,100	$ 513,200
Cash and cash equivalents	5,400	10,900
Straight-line rent receivable	9,700	9,700
Other assets, net	9,800	9,400
Accounts payable and accrued expenses	$ (2,600)	$ (4,700)