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Nature of Operations and Summary of Significant Accounting Policies (Schedule of Goodwill and Intangible Assets) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Nature Of Operations And Summary Of Significant Accounting Policies [Abstract]    
Goodwill $ 1,719 $ 1,719
Other intangible assets - gross 974 974
Other intangible assets - amortization (974) (974)
Total $ 1,719 $ 1,719