Commitments And Contingencies Commitments and Contingencies (Schedule of Lease Commitments) (Details)	Jun. 30, 2019 USD ($)
Maximum Commitment For All Active Development Projects	$ 47,530,000
Development in Process	(24,600,000)
Remaining Unfunded Development Commitment	22,930,000
Development Commitment [Member] | Ignite Medical Resorts [Member]
Maximum Commitment For All Active Development Projects	25,350,000
Development in Process	(9,598,000)
Remaining Unfunded Development Commitment	15,752,000
Development Commitment [Member] | Senior Living Communities [Member]
Maximum Commitment For All Active Development Projects	3,100,000
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
Capital Improvement Commitment [Member] | Woodland Village [Member]
Maximum Commitment For All Active Development Projects	7,450,000
Development in Process	(7,323,000)
Remaining Unfunded Development Commitment	127,000
Capital Improvement Commitment [Member] | Senior Living Communities [Member]
Maximum Commitment For All Active Development Projects	6,830,000
Development in Process	(5,869,000)
Remaining Unfunded Development Commitment	961,000
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] | Discovery Senior Living [Member]
Maximum Commitment For All Active Development Projects	500,000
Development in Process	0
Remaining Unfunded Development Commitment	$ 500,000