Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

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, consist of the following:

	Estimated Useful Lives	2016						2015
		Gross Book Value		Accumulated Amortization		Net Book Value		Gross Book Value		Accumulated Amortization		Net Book Value
		(In thousands)
Trademarks	indefinite	$	8,416	$	—	$	8,416	$	—	$	—	$	—
Patents	15 - 30 years	3,583		294		3,289		248		248		—
Customer relationships	5 - 15 years	18,057		168		17,889		—		—		—
		$	30,056	$	462	$	29,594	$	248	$	248	$	—