Income Taxes (Schedule Of Income Tax Reconciliation Items) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Taxes [Abstract]
Expected tax provision	$ 3,763	$ 12,073	$ 4,704
Foreign tax rate differential	1,874	(2,160)	(668)
Change in valuation allowance	(451)	(905)	129
State and local tax provision	405	(541)	307
Prior year adjustments	41	(79)	(954)
Unrecognized tax benefits	438	(8,498)	262
Advanced to Overseas Subsidiary		(7,620)
Impact of Tax Act	(2,265)	13,018
Non-taxable insurance proceeds		(1,871)
GILTI	193
Foreign Tax Credit	(846)
Other	268	(37)	358
Total income tax expense	$ 3,420	$ 3,380	$ 4,138	[1]

[1] Certain prior year balances have been reclassified to conform to the 2017 presentation (see Note 2 - Summary of Significant Accounting Policies - Reclassifications).