Net Investment In Direct Finance Leases (Contractual Maturities Of Gross Finance Lease Receivables) (Details) - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Net Investment In Direct Finance Leases [Abstract]
2018		$ 32,434
2019		40,979
2020		25,045
2021		15,544
2022		13,339
2023 and thereafter		12,831
Gross finance lease receivables	[1]	$ 140,172	$ 123,563

[1] At the inception of the lease, the Company records the total minimum lease payments, executory costs, if any, and unguaranteed residual value as gross finance lease receivables. The gross finance lease receivables are reduced as customer payments are received. There was $4.0 million and $2.1 million unguaranteed residual value at June 30, 2017 and December 31, 2016, respectively, included in gross finance lease receivables. There were no executory costs included in gross finance lease receivables as of June 30, 2017 and December 31, 2016.