Goodwill

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Note 6 — Goodwill

Goodwill consists of the following:

	As of December 31,
	2016			2015
	(in thousands)
Balance, January 1	$	209,024		$	130,976
Cogent acquisition	—			93,116
Foreign currency translation adjustments	(838		)	(15,068		)
Balance, December 31	$	208,186		$	209,024

The Company performs a goodwill impairment test annually or more frequently if circumstances indicate that impairment may have occurred. The Company has reviewed its goodwill for potential impairment and determined that the fair value of goodwill exceeded the carrying value. Accordingly, no goodwill impairment loss has been recognized for the years ended December 31, 2016, 2015 or 2014.