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Revenue - Additional Information (Detail)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Sep. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Mar. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Sep. 30, 2019
USD ($)
Jun. 30, 2019
USD ($)
Mar. 31, 2021
USD ($)
Segment
Mar. 31, 2020
USD ($)
Mar. 31, 2019
USD ($)
Revenue [Line Items]                      
Number of reportable segments | Segment                 3    
Revenue $ 79,221 $ 56,806 $ 21,052 $ 6,361 $ 104,946 $ 146,889 $ 117,957 $ 141,737 $ 163,440 $ 511,529 $ 486,011
Customer Loyalty Programs and Advance Received from GDS Provider [Member]                      
Revenue [Line Items]                      
Revenue                 2,868 5,923  
Deferred income reclassified as contract liabilities 2,298       4,504       2,298 4,504 6,804
Advance Consideration Received for Future Bookings [Member]                      
Revenue [Line Items]                      
Advance from customers reclassified as contract liabilities $ 31,878       $ 30,408       31,878 30,408 $ 63,531
Revenue                 15,115 57,612  
Refund paid to customers                 $ 6,329 $ 4,283