CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues:
Rental and related revenues (Note 4)	$ 376,266	$ 400,586	$ 396,716
Resident fees and services	236,153	186,672	155,512
Interest and other income	35,095	37,553	17,317
Total revenues	647,514	624,811	569,545
Expenses:
Depreciation and amortization	183,087	187,782	178,991
Interest	112,964	105,471	98,632
General and administrative	47,472	39,574	34,669
Provision for loan losses and other reserves	191	141	3,935
Impairment of real estate	14,332	94,042	9,499
Total expenses	553,291	589,623	466,927
Other (expense) income:
Loss on extinguishment of debt	(1,541)	(411)	(34,622)
Other income (expense)	2,598	(1,097)	373
Net (loss) gain on sales of real estate	(76,625)	(12,011)	12,301
Total other expense	(75,568)	(13,519)	(21,948)
Income before loss from unconsolidated joint ventures and income tax expense	18,655	21,669	80,670
Loss from unconsolidated joint ventures	(2,897)	(98,032)	(192,081)
Income tax expense	(2,002)	(1,242)	(1,845)
Net income (loss)	$ 13,756	$ (77,605)	$ (113,256)
Net income (loss), per:
Basic common share (in dollars per share)	$ 0.06	$ (0.34)	$ (0.52)
Diluted common share (in dollars per share)	$ 0.06	$ (0.34)	$ (0.52)
Weighted-average number of common shares outstanding, basic (in shares)	231,203,391	230,947,895	219,073,027
Weighted-average number of common shares outstanding, diluted (in shares)	232,792,778	230,947,895	219,073,027
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	$ 17,932	$ 19,623	$ 20,221
Senior housing - managed portfolio
Expenses:
Operating expenses	$ 177,313	$ 142,990	$ 120,980