CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues:
Rental income	$ 121,859,000	$ 123,436,000	$ 100,199,000
Dividend income from real estate equity securities	5,591,000	9,658,000	6,273,000
Total revenues	162,058,000	167,927,000	114,025,000
Expenses:
Operating, maintenance, and management	44,317,000	42,519,000	33,882,000
Real estate taxes and insurance	21,132,000	20,768,000	15,702,000
Hotel expenses	19,252,000	20,990,000	3,836,000
Asset management fees to affiliate	13,678,000	14,012,000	9,982,000
General and administrative expenses	10,700,000	9,853,000	7,664,000
Foreign currency transaction (gain) loss, net	(29,038,000)	7,445,000	2,912,000
Depreciation and amortization	51,930,000	58,871,000	45,041,000
Interest expense	48,130,000	40,510,000	29,138,000
Impairment charges on real estate and related intangibles	18,493,000	10,971,000	0
Impairment charges on goodwill	8,098,000	2,808,000	0
Total expenses	206,692,000	228,747,000	148,157,000
Other income (loss):
Gain from remeasurement of prior equity interest	0	0	2,009,000
Income from NIP	0	0	97,000
(Loss) income from unconsolidated entities	(8,019,000)	(1,373,000)	1,621,000
Casualty-related gain	0	27,000	51,000
Other interest income	228,000	194,000	348,000
(Loss) gain on real estate equity securities	(51,943,000)	28,632,000	(14,814,000)
Gain (loss) on sale of real estate	46,513,000	30,261,000	(110,000)
Gain (loss) on extinguishment of debt	2,367,000	(4,757,000)	415,000
Gain from consolidation of previously unconsolidated entity	18,742,000	0	0
Transaction and related costs	0	(2,984,000)	(6,018,000)
Subordinated performance fee due upon termination to affiliate	0	(1,678,000)	1,720,000
Total other income (loss), net	7,888,000	48,322,000	(14,681,000)
Net loss before income taxes	(36,746,000)	(12,498,000)	(48,813,000)
Income tax provision	(4,924,000)	0	0
Net loss	(41,670,000)	(12,498,000)	(48,813,000)
Net (income) loss attributable to noncontrolling interests	(530,000)	2,310,000	738,000
Net loss attributable to redeemable noncontrolling interest	81,000	146,000	56,000
Preferred stock dividends	(1,123,000)	(913,000)	(989,000)
Net loss attributable to common stockholders	$ (43,242,000)	$ (10,955,000)	$ (49,008,000)
Net loss per common share, basic (in dollars per share)	$ (0.44)	$ (0.11)	$ (0.65)
Net loss per common share diluted (in dollars per share)	$ (0.44)	$ (0.11)	$ (0.65)
Weighted-average number of common shares outstanding, basic (in shares)	103,522,696	96,967,983	75,407,976
Weighted-average number of common shares outstanding, diluted (in shares)	103,522,696	96,967,983	75,407,976
Hotel revenues
Revenues:
Revenue from contract with customer	$ 30,749,000	$ 30,806,000	$ 3,718,000
Other operating income
Revenues:
Revenue from contract with customer	$ 3,859,000	$ 4,027,000	$ 3,835,000