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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 |

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