Goodwill (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Change in the carrying amount of goodwill

The change in the carrying amount of goodwill during 2014 and 2015 was as follows (in thousands):

Balance at December 31, 2013	$	25,978
Foreign currency translation adjustments	(2,379		)
Balance at December 31, 2014	23,599
Foreign currency translation adjustments	36
Balance at December 31, 2015	$	23,635