Revenue and Related Matters - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Contract assets	$ 0	$ 0	$ 0	$ 0
Contract with customer, contract duration			1 year
Deferred revenue recognized	31,900,000	25,000,000.0	$ 171,200,000	140,900,000
Revenue expected to be recognized	380,600,000		380,600,000
Amortization expense related to deferred commissions	$ 10,400,000	$ 10,000,000.0	32,200,000	28,900,000
Impairment of deferred commissions			$ 0	$ 0
Maximum [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Contract with customer, expected payment term			one year