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Related Parties - Additional Information (Detail) - USD ($)
1 Months Ended 12 Months Ended
Sep. 30, 2018
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
May 31, 2019
Disclosure Of Transactions Between Related Parties [Line Items]          
Expense recognised for bad or doubtful debts   $ 0      
Naspers Limited and Subsidiaries [Member]          
Disclosure Of Transactions Between Related Parties [Line Items]          
Payment received from related party     $ 402,242,000 $ 1,002,195,000  
Service fee charged by related party     5,070,000 11,333,000  
Hotel room nights sold and bus tickets as an agent to related party       516,000  
Fees and commission paid to related party       26,000  
Naspers Limited and Subsidiaries [Member] | Air Ticket [Member]          
Disclosure Of Transactions Between Related Parties [Line Items]          
Air tickets procured from related party       $ 829,000  
Simplotel Technologies Private Limited [Member] | Preference shares [member]          
Disclosure Of Transactions Between Related Parties [Line Items]          
Number of shares held 1,181        
Simplotel Technologies Private Limited [Member] | Ordinary shares [member]          
Disclosure Of Transactions Between Related Parties [Line Items]          
Number of shares held 2,105        
Holiday IQ Pte Ltd and Subsidiaries [Member]          
Disclosure Of Transactions Between Related Parties [Line Items]          
Cash consideration     $ 700,000    
PasajeBus SpA [Member]          
Disclosure Of Transactions Between Related Parties [Line Items]          
Percentage of voting equity interests acquired         20.50%
Other Non-current Assets [Member] | MTH Internet: SEA. Pte. Ltd [Member]          
Disclosure Of Transactions Between Related Parties [Line Items]          
Fair value of amount receivable from related party $ 17,101,000