Revenues - Additional Information (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) item	Dec. 31, 2020 USD ($)
Revenues
Number of revenue streams | item	3
Accounts receivable attributable to revenue from contracts with customers | $	$ 32.4	$ 25.6
Revenue, Remaining Performance Obligation, Optional Exemption, Variable Consideration [true false]	true
Revenue, Remaining Performance Obligation, Optional Exemption, Performance Obligation [true false]	true