Real Estate Investments - Development and Improvement Projects (Details) - Developments - Real Estate Investment Completed Projects $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) item property	Dec. 31, 2018 USD ($) item property	Dec. 31, 2017 USD ($) item property
Real Estate Development Commitments
Completed development and improvement projects
Number of Properties | property	2	1	1
Number of Beds/Units | item	253	66	66
Total Investment | $	$ 46,973	$ 14,998	$ 13,498
SNF | Real Estate Development Commitments | Kentucky
Completed development and improvement projects
Number of Properties | property	1
Number of Beds/Units | item	143
Total Investment | $	$ 24,974
MC Units | Real Estate Development Commitments | Illinois
Completed development and improvement projects
Number of Properties | property		1
Number of Beds/Units | item		66
Total Investment | $		$ 14,998
MC Units | Real Estate Development Commitments, Commitments One | Illinois
Completed development and improvement projects
Number of Properties | property			1
Number of Beds/Units | item			66
Total Investment | $			$ 13,498
ALF/ILF/MC | Real Estate Development Commitments | Wisconsin
Completed development and improvement projects
Number of Properties | property	1
Number of Beds/Units | item	110
Total Investment | $	$ 21,999