The changes in the carrying amount of goodwill for the years ended December 31, 2016 and 2015, were as follows (in thousands):

 

Balance as of January 1, 2015	$	841,522
Goodwill Impaired due to Wireless Restructuring (see Note 3)	(2,270		)
Effect of Foreign Currency Translation	(4,836		)
Balance as of December 31, 2015	834,416
Effect of Foreign Currency Translation	817
Balance as of December 31, 2016	$	835,233