Goodwill (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the carrying amount of goodwill by reporting unit during the three months ended March 31, 2018 were as follows:

	Carrying Value						Carrying Value
	January 1, 2018		Acquisitions		Foreign Currency Translation		March 31, 2018
	(In thousands)
Western Hemisphere	$	39,158	$	—	$	16	$	39,174
Eastern Hemisphere	8,466		—		178		8,644
Asia Pacific	—		—		—		—
Total	$	47,624	$	—	$	194	$	47,818