CONSOLIDATED STATEMENTS OF (LOSS) INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues:
Rental and related revenues (Note 4)	$ 400,586	$ 396,716	$ 430,584
Resident fees and services	186,672	155,512	156,045
Interest and other income	37,553	17,317	11,940
Total revenues	624,811	569,545	598,569
Expenses:
Depreciation and amortization	187,782	178,991	176,737
Interest	105,471	98,632	100,424
General and administrative	39,574	34,669	32,755
Provision for loan losses and other reserves	141	3,935	1,855
Impairment of real estate	94,042	9,499	4,003
Total expenses	589,623	466,927	447,327
Other (expense) income:
Loss on extinguishment of debt	(411)	(34,622)	(531)
Other (expense) income	(1,097)	373	2,154
Net (loss) gain on sales of real estate	(12,011)	12,301	2,861
Total other (expense) income	(13,519)	(21,948)	4,484
Income before loss from unconsolidated joint ventures and income tax expense	21,669	80,670	155,726
Loss from unconsolidated joint ventures	(98,032)	(192,081)	(16,599)
Income tax expense	(1,242)	(1,845)	(710)
Net (loss) income attributable to common stockholders	$ (77,605)	$ (113,256)	$ 138,417
Net (loss) income, per:
Basic common share (in dollars per share)	$ (0.34)	$ (0.52)	$ 0.67
Diluted common share (in dollars per share)	$ (0.34)	$ (0.52)	$ 0.67
Weighted-average number of common shares outstanding, basic (in shares)	230,947,895	219,073,027	206,223,503
Weighted-average number of common shares outstanding, diluted (in shares)	230,947,895	219,073,027	207,252,830
Revenue, type, extensible enumeration	Health Care, Resident Service [Member]	Health Care, Resident Service [Member]	Health Care, Resident Service [Member]
Triple-net portfolio
Expenses:
Operating expenses	$ 19,623	$ 20,221	$ 20,590
Senior housing - managed portfolio
Expenses:
Operating expenses	$ 142,990	$ 120,980	$ 110,963