Other Assets, Net (Schedule Of Other Assets, Net) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Other Assets [Line Items]
Other assets, net	$ 6,525	$ 3,488
Fitting Software [Member]
Other Assets [Line Items]
Other assets, net	3,679
NXP Tech [Member]
Other Assets [Line Items]
Other assets, net	2,161	2,259
Other Assets [Member]
Other Assets [Line Items]
Other assets, net	$ 685	$ 1,229