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Summary of Significant Accounting Policies (Schedule Of Approximate Future Annual Amortization Of The Company's Intangible Items) (Details)
$ in Thousands
Dec. 31, 2015
USD ($)
Summary of Significant Accounting Policies [Abstract]  
2016 $ 1,189
2017 1,189
2018 1,189
2019 1,189
2020 173
Approximate future annual amortization of intangible items $ 4,929