Goodwill (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Value of Goodwill

Goodwill consists of the following:

	As of December 31,
	2019		2018
	(in thousands)
Balance, January 1	$	205,922	$	217,737
Foreign currency translation adjustments	70		(11,815)
Balance, December 31	$	205,992	$	205,922