Commitments And Contingencies Commitments and Contingencies (Schedule of Loss Contingencies) (Details)	3 Months Ended
	Mar. 31, 2017 USD ($)
Maximum Contingent Amount [Member]
Lease Incentive Commitment Assessed As Not Probable	$ 17,430,000
Contingent Amount Funded [Member]
Lease Incentive Commitment Assessed As Not Probable	0
Remaining Unfunded Contingent Amount [Member]
Lease Incentive Commitment Assessed As Not Probable	17,430,000
East Lake Capital [Member] | Maximum Contingent Amount [Member]
Lease Incentive Commitment Assessed As Not Probable	8,000,000
East Lake Capital [Member] | Contingent Amount Funded [Member]
Lease Incentive Commitment Assessed As Not Probable	0
East Lake Capital [Member] | Remaining Unfunded Contingent Amount [Member]
Lease Incentive Commitment Assessed As Not Probable	8,000,000
Sycamore Street [Member] | Maximum Contingent Amount [Member]
Letters of Credit Outstanding, Amount	1,930,000
Sycamore Street [Member] | Contingent Amount Funded [Member]
Letters of Credit Outstanding, Amount	0
Sycamore Street [Member] | Remaining Unfunded Contingent Amount [Member]
Letters of Credit Outstanding, Amount	1,930,000
Ravn Senior Solutions [Member]
Lease Incentive Commitment Assessed As Not Probable	1,500,000
Ravn Senior Solutions [Member] | Maximum Contingent Amount [Member]
Lease Incentive Commitment Assessed As Not Probable	1,500,000
Ravn Senior Solutions [Member] | Contingent Amount Funded [Member]
Lease Incentive Commitment Assessed As Not Probable	0
Ravn Senior Solutions [Member] | Remaining Unfunded Contingent Amount [Member]
Lease Incentive Commitment Assessed As Not Probable	1,500,000
Prestige Senior Living [Member]
Lease Incentive Commitment Assessed As Not Probable	1,000,000
Prestige Senior Living [Member] | Maximum Contingent Amount [Member]
Lease Incentive Commitment Assessed As Not Probable	1,000,000
Prestige Senior Living [Member] | Contingent Amount Funded [Member]
Lease Incentive Commitment Assessed As Not Probable	0
Prestige Senior Living [Member] | Remaining Unfunded Contingent Amount [Member]
Lease Incentive Commitment Assessed As Not Probable	1,000,000
The Lasalle Group [Member]
Lease Incentive Commitment Assessed As Not Probable	5,000,000
The Lasalle Group [Member] | Maximum Contingent Amount [Member]
Lease Incentive Commitment Assessed As Not Probable	5,000,000
The Lasalle Group [Member] | Contingent Amount Funded [Member]
Lease Incentive Commitment Assessed As Not Probable	0
The Lasalle Group [Member] | Remaining Unfunded Contingent Amount [Member]
Lease Incentive Commitment Assessed As Not Probable	$ 5,000,000