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Business Combinations - Summary of Purchase Price allocation (Parenthetical) (Detail) - USD ($)
$ in Thousands
Apr. 30, 2019
Jul. 25, 2018
Bitla Software Private Limited [Member]    
Disclosure Of Business Combinations [Line Items]    
Cash and cash equivalents   $ 691
Quest 2 Travel.com India Private Limited [Member]    
Disclosure Of Business Combinations [Line Items]    
Cash and cash equivalents $ 69  
Non-controlling interest 49.00%