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Business Combination - Summary of Major Classes of Assets and Liabilities Preliminarily Allocated the Purchase Price (Details) - USD ($)
$ in Thousands
Jul. 31, 2017
May 03, 2017
Jan. 31, 2017
Business Acquisition [Line Items]      
Goodwill $ 37,146   $ 6,306
Trade Extensions      
Business Acquisition [Line Items]      
Cash and cash equivalents   $ 2,016  
Accounts receivable   1,172  
Intangible assets   12,960  
Other assets   2,086  
Goodwill   30,840  
Accounts payable and other liabilities   (8,125)  
Total consideration   $ 40,949