Goodwill (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill during the three month period ended March 31, 2018 were as follows:

Balance as of December 31, 2017	$	686,108
Goodwill resulting from The Future Customer business combination		6,996
Effect of foreign currency translation		1,234
Balance as of March 31, 2018	$	694,338