Income Taxes (Schedule of Current and Deferred Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Current
Current income tax expense	$ 1,606	$ 1,906	$ 3,065	$ 5,472
Deferred
Deferred income tax expense (benefit)	(165)	(189)	(263)	(771)
Income tax expense as reported	$ 1,441	$ 1,717	$ 2,802	$ 4,701
Effective tax rate	27.20%	38.20%	27.40%	38.00%