Real Estate Investments - Development and Improvement Projects (Details) - Real Estate Development Commitments - Real Estate Investment Completed Projects $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) property item	Dec. 31, 2019 USD ($) property item
Completed development and improvement projects
Number of Properties | property	2	2
Number of Beds/Units | item	168	253
Total Investment | $	$ 35,034	$ 46,973
SNF | Missouri
Completed development and improvement projects
Number of Properties | property	1
Number of Beds/Units | item	90
Total Investment | $	$ 16,587
SNF | Kentucky
Completed development and improvement projects
Number of Properties | property		1
Number of Beds/Units | item		143
Total Investment | $		$ 24,974
ALF & MC | Oregon
Completed development and improvement projects
Number of Properties | property	1
Number of Beds/Units | item	78
Total Investment | $	$ 18,447
ALF/ILF/MC | Wisconsin
Completed development and improvement projects
Number of Properties | property		1
Number of Beds/Units | item		110
Total Investment | $		$ 21,999