Revenue - Summary of deferred revenue (Detail) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Contract With Customer Liability [Line Items]
Balance at beginning of period		$ 32,615	$ 28,515
Revenue recognized1	[1]	(89,432)	(80,963)
Additional amounts deferred1	[1]	91,717	82,557
Balance at end of period		34,900	30,109
Classified as:
Current		33,395	28,100	$ 31,042
Non-current		1,505	2,009	1,574
Total deferred revenue		$ 34,900	$ 30,109	$ 32,615

[1] Amounts include total revenue deferred and recognized during each respective period.