Commitments And Contingencies Commitments and Contingencies (Schedule of Lease Commitments) (Details)	Sep. 30, 2019 USD ($)
Maximum Commitment For All Active Development Projects	$ 46,680,000
Development in Process	(28,845,000)
Remaining Unfunded Development Commitment	17,835,000
Development Commitment [Member] | Ignite Medical Resorts [Member]
Maximum Commitment For All Active Development Projects	25,350,000
Development in Process	(13,255,000)
Remaining Unfunded Development Commitment	12,095,000
Development Commitment [Member] | Senior Living Communities [Member]
Maximum Commitment For All Active Development Projects	3,100,000
Development in Process	(2,000,000)
Remaining Unfunded Development Commitment	1,100,000
Development Commitment [Member] | Wingate Healthcare [Member]
Maximum Commitment For All Active Development Projects	1,900,000
Development in Process	(212,000)
Remaining Unfunded Development Commitment	1,688,000
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	(7,374,000)
Remaining Unfunded Development Commitment	76,000
Capital Improvement Commitment [Member] | Senior Living Communities [Member]
Maximum Commitment For All Active Development Projects	6,830,000
Development in Process	(6,004,000)
Remaining Unfunded Development Commitment	826,000
Capital Improvement Commitment [Member] | Discovery Senior Living [Member]
Maximum Commitment For All Active Development Projects	1,400,000
Development in Process	0
Remaining Unfunded Development Commitment	$ 1,400,000