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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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- Definition

The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

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