Net Investment In Direct Finance Leases (Contractual Maturities Of Gross Finance Lease Receivables) (Details) - USD ($) $ in Thousands		Mar. 31, 2017	Dec. 31, 2016
Net Investment In Direct Finance Leases [Abstract]
2018		$ 28,186
2019		26,176
2020		35,278
2021		11,473
2022		11,102
2023 and thereafter		5,700
Gross finance lease receivables	[1]	$ 117,915	$ 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 $2.7 million and $2.1 million unguaranteed residual value, respectively, at March 31, 2017 and December 31, 2016 included in gross finance lease receivables. There were no executory costs included in gross finance lease receivables as of March 31, 2017 and December 31, 2016.