Revenues - Summary of Changes in Certain Contract Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Short-term deferred revenue and customer prepayments	$ (7,912)	$ (7,309)
Long-term deferred revenue	(413)	(733)
Deferred expenses	560	1,650
Sales allowances	(1,464)	$ (597)
Accounting Standards Update 2014-09 [Member]
Disaggregation of Revenue [Line Items]
Short-term deferred revenue and customer prepayments	(603)
Long-term deferred revenue	320
Deferred expenses	(1,090)
Sales allowances	$ (867)