Finance Receivables (Details 3) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Credit Quality Of Finance Receivables
Net Investments in Direct Financing Leases	$ 73,582	$ 22,064
Internally Assigned Grade 1
Credit Quality Of Finance Receivables
Number of tenants and obligors	0	0
Net Investments in Direct Financing Leases	0	0
Internally Assigned Grade 2
Credit Quality Of Finance Receivables
Number of tenants and obligors	1	0
Net Investments in Direct Financing Leases	8,962	0
Internally Assigned Grade 3
Credit Quality Of Finance Receivables
Number of tenants and obligors	4	1
Net Investments in Direct Financing Leases	64,620	22,064
Internally Assigned Grade 4
Credit Quality Of Finance Receivables
Number of tenants and obligors	0	0
Net Investments in Direct Financing Leases	0	0
Internally Assigned Grade 5
Credit Quality Of Finance Receivables
Number of tenants and obligors	0	0
Net Investments in Direct Financing Leases	$ 0	$ 0