Goodwill and Intangible Assets (Schedule of Amortization Annual Expense) (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	$ 944
Finite-Lived Intangible Assets, Amortization Expense, Year Two	914
Finite-Lived Intangible Assets, Amortization Expense, Year Three	890
Finite-Lived Intangible Assets, Amortization Expense, Year Four	860
Finite-Lived Intangible Assets, Amortization Expense, Year Five	843
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	$ 3,711