Commitments And Contingencies Commitments and Contingencies (Schedule of Lease Commitments) (Details)	Mar. 31, 2020 USD ($)
Maximum Commitment For All Active Development Projects	$ 46,645,000
Development in Process	(36,450,000)
Remaining Unfunded Development Commitment	10,195,000
Development Commitment [Member] | Ignite Medical Resorts [Member]
Maximum Commitment For All Active Development Projects	25,350,000
Development in Process	(19,252,000)
Remaining Unfunded Development Commitment	6,098,000
Development Commitment [Member] | Senior Living Communities [Member]
Maximum Commitment For All Active Development Projects	3,100,000
Development in Process	(2,435,000)
Remaining Unfunded Development Commitment	665,000
Development Commitment [Member] | Wingate Healthcare [Member]
Maximum Commitment For All Active Development Projects	1,900,000
Development in Process	(508,000)
Remaining Unfunded Development Commitment	1,392,000
Development Commitment [Member] | Discovery Senior Living [Member]
Maximum Commitment For All Active Development Projects	900,000
Development in Process	0
Remaining Unfunded Development Commitment	900,000
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
Development Commitment [Member] | 41 Management [Member]
Maximum Commitment For All Active Development Projects	400,000
Development in Process	0
Remaining Unfunded Development Commitment	400,000
Capital Improvement Commitment [Member] | Woodland Village [Member]
Maximum Commitment For All Active Development Projects	7,515,000
Development in Process	(7,425,000)
Remaining Unfunded Development Commitment	90,000
Capital Improvement Commitment [Member] | Senior Living Communities [Member]
Maximum Commitment For All Active Development Projects	6,830,000
Development in Process	(6,830,000)
Remaining Unfunded Development Commitment	$ 0