Condensed Consolidated Income Statements - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues:
Rental income	$ 48,087	$ 45,036	$ 141,077	$ 130,007
Independent living facilities	$ 0	$ 634	$ 0	$ 1,874
Independent living facilities, revenue services	Health Care, Resident Service [Member]	Health Care, Resident Service [Member]	Health Care, Resident Service [Member]	Health Care, Resident Service [Member]
Interest and other income	$ 518	$ 17	$ 1,537	$ 2,314
Total revenues	48,605	45,687	142,614	134,195
Expenses:
Depreciation and amortization	13,968	13,086	41,284	39,485
Interest expense	5,692	5,519	17,988	18,082
Property taxes	1,004	857	2,466	2,179
Independent living facilities	$ 0	$ 568	$ 0	$ 1,660
Independent living facilities, cost of services	Health Care, Resident Service [Member]	Health Care, Resident Service [Member]	Health Care, Resident Service [Member]	Health Care, Resident Service [Member]
General and administrative	$ 5,196	$ 4,105	$ 16,136	$ 12,921
Total expenses	25,860	24,135	77,874	74,327
Other loss:
Loss on extinguishment of debt	(10,827)	0	(10,827)	0
Loss on sale of real estate	0	0	(192)	(56)
Total other losses	(10,827)	0	(11,019)	(56)
Net income	$ 11,918	$ 21,552	$ 53,721	$ 59,812
Earnings per common share:
Basic (in usd per share)	$ 0.12	$ 0.23	$ 0.56	$ 0.63
Diluted (in usd per share)	$ 0.12	$ 0.23	$ 0.56	$ 0.63
Weighted-average number of common shares:
Basic (in shares)	96,297	95,214	95,922	95,195
Diluted (in shares)	96,297	95,214	95,937	95,195