Goodwill

6 Months Ended

Jun. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill

The changes in the carrying amounts of goodwill by operating segment were as follows (in thousands):

	Patent Risk Management		Discovery Services			Total
Balance as of December 31, 2015	$	19,978	$	—		$	19,978
Goodwill from business acquisition	—		145,984			145,984
Foreign currency translation adjustments	—		(5,840		)	(5,840		)
Balance as of June 30, 2016	$	19,978	$	140,144		$	160,122