Intangible Assets, Net and Goodwill (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule Of Identifiable Intangible Assets

	December 31,
	2016			2015
Intangible assets subject to amortization:
Patents and purchased technology	$	14,198		$	14,198
Customer relationships	23,000			23,000
Gross carrying amount	37,198			37,198
Accumulated amortization:
Patents and purchased technology	(9,321		)	(7,992		)
Customer relationships	(9,860		)	(6,043		)
Accumulated amortization	(19,181		)	(14,035		)
Net carrying amount	18,017			23,163
Intangible assets not subject to amortization	115,421			115,421
Intangible assets, net	$	133,438		$	138,584