Organization (Narrative) (Details) ft² in Millions			1 Months Ended						3 Months Ended			12 Months Ended
	Apr. 01, 2022 shares	Oct. 01, 2020 shares	Apr. 30, 2022 shares	Jan. 31, 2022 shares	Oct. 31, 2021 shares	Jul. 31, 2021 shares	Apr. 30, 2021 shares	Jan. 31, 2021 shares	Mar. 31, 2022 segment property land_parcel contractor shares	Dec. 31, 2021 segment	Mar. 31, 2021 segment	Dec. 31, 2021 segment	Mar. 31, 2022 state	Mar. 31, 2022 ft²	Mar. 31, 2022 encumbered_property
Class of Stock [Line Items]
Number of reportable segments | segment									2	2	2	3
Number of properties									198						113
Number of states properties are located in | state													33
Rentable square feet | ft²														9.0
Number of senior housing communities | property									50
Number of independent contractors | contractor									4
Number of land parcels | land_parcel									2
Stock dividends (in shares)		0.01349		0.014655	0.014655	0.014655	0.014655	0.01349	0.10416
Share increase from stock dividends (in shares)									8,209,673
Stock issued during period, shares, new issues (in shares)									0
Subsequent Event
Class of Stock [Line Items]
Stock dividends (in shares)	0.014167		0.014167