Commitments And Contingencies Commitments and Contingencies (Schedule of Lease Commitments) (Details)	Mar. 31, 2019 USD ($)
Maximum Commitment For All Active Development Projects	$ 45,630,000
Development in Process	(21,749,000)
Remaining Unfunded Development Commitment	23,881,000
Senior Living Communities [Member]
Capital Improvements Commitment	3,100,000
Capital Improvement Commitment [Member] | Bickford Senior Living [Member]
Maximum Commitment For All Active Development Projects	1,750,000
Development in Process	(1,750,000)
Remaining Unfunded Development Commitment	0
Capital Improvement Commitment [Member] | Senior Living Communities [Member]
Maximum Commitment For All Active Development Projects	6,830,000
Development in Process	(5,808,000)
Remaining Unfunded Development Commitment	1,022,000
Capital Improvement Commitment [Member] | Discovery Senior Living [Member]
Maximum Commitment For All Active Development Projects	500,000
Development in Process	(302,000)
Remaining Unfunded Development Commitment	198,000
Capital Improvement Commitment [Member] | Village Concepts [Member]
Maximum Commitment For All Active Development Projects	7,450,000
Development in Process	(7,268,000)
Remaining Unfunded Development Commitment	182,000
Development Commitment [Member] | Ignite Medical Resorts [Member]
Maximum Commitment For All Active Development Projects	25,350,000
Development in Process	(6,621,000)
Remaining Unfunded Development Commitment	18,729,000
Development Commitment [Member] | Senior Living Communities [Member]
Development in Process	0
Remaining Unfunded Development Commitment	3,100,000
Development Commitment [Member] | Navion Senior Solutions [Member]
Maximum Commitment For All Active Development Projects	650,000
Development in Process	0
Remaining Unfunded Development Commitment	$ 650,000