Real Estate Investments - Development and Improvement Projects (Details) - Developments - Real Estate Development Commitments - Real Estate Investment Completed Projects $ in Thousands	6 Months Ended
	Jun. 30, 2019 USD ($) item property	Jun. 30, 2018 USD ($) item property
Completed development and improvement projects
Number of Properties | property	2	1
Number of Beds/Units | item	253	66
Total Investment | $	$ 46,365	$ 13,974
SNF | Kentucky
Completed development and improvement projects
Number of Properties | property	1
Number of Beds/Units | item	143
Total Investment | $	$ 24,493
MC Units | Illinois
Completed development and improvement projects
Number of Properties | property		1
Number of Beds/Units | item		66
Total Investment | $		$ 13,974
ALF/ILF/MC | Wisconsin
Completed development and improvement projects
Number of Properties | property	1
Number of Beds/Units | item	110
Total Investment | $	$ 21,872