Income Taxes (Schedule Of Income Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Taxes [Abstract]
Current: Federal	$ 3,948	$ 231	$ 898
Current: State	626	142	211
Current: Foreign	353	160	99
Current: Income tax expense	4,927	533	1,208
Deferred: Federal	2,836	1,011	127
Deferred: State	(9)	319	46
Deferred: Foreign	(120)
Deferred: Income tax expense	2,707	1,330	173
Income tax expense	$ 7,634	$ 1,863	$ 1,381