Revenue - Summary of deferred revenue (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Contract With Customer Liability [Line Items]
Balance at beginning of period		$ 34,900	$ 30,109	$ 32,616	$ 28,515
Revenue recognized1	[1]	(92,823)	(82,159)	(182,255)	(163,121)
Additional amounts deferred1	[1]	92,665	82,806	184,381	165,362
Balance at end of period		34,742	30,756	34,742	30,756
Classified as:
Current		33,298	28,824	33,298	28,824	$ 31,042
Non-current		1,444	1,932	1,444	1,932	1,574
Total deferred revenue		$ 34,742	$ 30,756	$ 34,742	$ 30,756	$ 32,616

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