Composition of Certain Financial Statement Items - Reconciliation of Change in Estimated Allowance for Doubtful Accounts (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Allowance for doubtful accounts
Balance at beginning of the period	$ 4,249	$ 3,857	$ 3,304
Provision for expected credit losses	4,782	2,333	3,016
Write-offs and adjustments, net of recoveries	(4,704)	(1,941)	(2,463)
Balance at end of the period	$ 4,327	$ 4,249	$ 3,857