Real Estate (Schedule of New Real Estate Investments) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) properties beds_or_units
Real Estate Investments During The Period	$ 149,992
Number of Properties | properties	225
Bickford Senior Living [Member]
Real Estate Investments During The Period	$ 15,100
Number of Properties | properties	48
Bickford Senior Living [Member] | Current Period Real Estate Acquisition
Number of Properties | beds_or_units	1
Life Care Services
Real Estate Investments During The Period	$ 134,892
Life Care Services | Current Period Real Estate Acquisition
Number of Properties | beds_or_units	1