CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues:
Rental income	$ 258,459,000	$ 270,158,000	$ 275,026,000
Dividend income from real estate equity securities	967,000	11,850,000	14,850,000
Other operating income	18,239,000	18,669,000	18,141,000
Total revenues	277,665,000	300,677,000	308,017,000
Expenses:
Operating, maintenance and management	72,872,000	75,914,000	74,783,000
Real estate taxes and insurance	49,992,000	52,789,000	51,811,000
Asset management fees to affiliate	19,568,000	20,839,000	20,102,000
General and administrative expenses	18,544,000	7,297,000	8,115,000
Depreciation and amortization	111,206,000	115,235,000	111,860,000
Interest expense	126,588,000	120,475,000	60,259,000
Net gain on derivative instruments	(17,634,000)	(14,907,000)	(51,932,000)
Impairment charges on real estate	6,847,000	45,459,000	0
Total expenses	387,983,000	423,101,000	274,998,000
Other income (loss):
Unrealized loss on real estate equity securities	(11,202,000)	(35,614,000)	(92,812,000)
Gain from extinguishment of debt	56,372,000	0	0
Gain on sale of real estate, net	53,064,000	0	0
Write-off of prepaid offering costs	0	0	(2,728,000)
Other interest income	1,233,000	505,000	63,000
Total other income (loss), net	99,467,000	(35,109,000)	(95,477,000)
Net loss	$ (10,851,000)	$ (157,533,000)	$ (62,458,000)
Net loss per common share, basic (in dollars per share)	$ (0.07)	$ (1.06)	$ (0.42)
Net loss per common share, diluted (in dollars per share)	$ (0.07)	$ (1.06)	$ (0.42)
Weighted-average number of common shares outstanding, basic (in shares)	148,516,246	148,738,748	149,164,231
Weighted-average number of common shares outstanding, diluted (in shares)	148,516,246	148,738,748	149,164,231