Commitments And Contingencies Commitments and Contingencies (Schedule of Loss Contingencies) (Details)	Jun. 30, 2018 USD ($)
Contingent Funding Commitment	$ 34,850,000
Contingent Funding Commitment, Remaining Unfunded Amount	29,350,000
Contingent Amount Funded [Member]
Contingent Funding Commitment, Amount Funded	(5,500,000)
Bickford / Sycamore [Member]
Contingent Funding Commitment, Amount Funded	(250,000)
Contingent Funding Commitment, Remaining Unfunded Amount	5,750,000
Bickford / Sycamore [Member] | Lease Agreements [Member]
Contingent Funding Commitment	10,000,000
Contingent Funding Commitment, Amount Funded	(5,250,000)
Contingent Funding Commitment, Remaining Unfunded Amount	4,750,000
Bickford / Sycamore [Member] | Notes Receivable [Member]
Contingent Funding Commitment	6,000,000
East Lake Capital [Member]
Contingent Funding Commitment	8,000,000
Contingent Funding Commitment, Remaining Unfunded Amount	8,000,000
East Lake Capital [Member] | Contingent Amount Funded [Member]
Contingent Funding Commitment, Amount Funded	0
Ravn Senior Solutions [Member]
Contingent Funding Commitment	4,850,000
Contingent Funding Commitment, Remaining Unfunded Amount	4,850,000
Ravn Senior Solutions [Member] | Contingent Amount Funded [Member]
Contingent Funding Commitment, Amount Funded	0
Prestige Senior Living [Member]
Contingent Funding Commitment	1,000,000
Contingent Funding Commitment, Remaining Unfunded Amount	1,000,000
Prestige Senior Living [Member] | Contingent Amount Funded [Member]
Contingent Funding Commitment, Amount Funded	0
The Lasalle Group [Member]
Contingent Funding Commitment	5,000,000
Contingent Funding Commitment, Remaining Unfunded Amount	5,000,000
The Lasalle Group [Member] | Contingent Amount Funded [Member]
Contingent Funding Commitment, Amount Funded	$ 0