Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived and Indefinite-Lived Intangible Assets

Intangible assets, the majority of which were acquired in the acquisition of TIW and OPT, consist of the following:

	Estimated Useful Lives	2017
		Gross Book Value		Accumulated Amortization			Foreign Currency Translation			Net Book Value
		(In thousands)
Trademarks	indefinite	$	8,416	$	—		$	56		$	8,472
Patents	15 - 30 years	5,946		(968		)	80			5,058
Customer relationships	5 - 15 years	26,503		(1,675		)	(64		)	24,764
Non-compete agreements	3 years	171		(57		)	—			114
		$	41,036	$	(2,700	)	$	72		$	38,408

	Estimated Useful Lives	2016
		Gross Book Value		Accumulated Amortization			Foreign Currency Translation		Net Book Value
		(In thousands)
Trademarks	indefinite	$	8,416	$	—		$	—	$	8,416
Patents	15 - 30 years	3,583		(294		)	—		3,289
Customer relationships	5 - 15 years	18,057		(168		)	—		17,889
		$	30,056	$	(462	)	$	—	$	29,594