Revenue from Contracts with Customers - Summary of Information about Receivables, Contract Assets and Contract Liabilities from Contracts with Customers (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Revenue From Contract With Customer [Abstract]
Trade receivables	$ 130,998	$ 115,732
Current contract assets	3,196	2,870
Current contract liabilities (deferred revenue)	(57,185)	(51,763)
Noncurrent contract liabilities (deferred revenue)	$ (6,715)	$ (5,164)