Income Taxes (Schedule Of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015		Dec. 31, 2014
Income Taxes [Abstract]
Federal	$ 312	$ (2,083)		$ 3,005
State	56	(4)		62
Foreign	2,338	1,372		1,954
Current income tax expense (benefit)	2,706	(715)		5,021
Federal	3,090	5,406		930
State	238	19		247
Foreign	(2,190)	(458)		993
Deferred income tax expense (benefit)	1,138	4,967	[1]	2,170	[1]
Total income tax expense (benefit)	$ 3,844	$ 4,252	[1]	$ 7,191	[1]

[1] Amounts for the years ended December 31, 2015 and 2014 have been restated for immaterial corrections of identified errors relating to prepaid loan fees (see Note 2 (b) "Correction of Immaterial Errors").