Goodwill and Intangible Assets (Tables)

6 Months Ended

Jul. 31, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Goodwill Activity

Goodwill activity is reflected in the following table (in thousands):

Balance as of January 31, 2018	$	16,293
Goodwill acquired		2,447
Balance as of July 31, 2018	$	18,740