Revenue Recognition - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation Of Revenue [Line Items]
Revenue expected to be recognized from remaining performance obligations	$ 969,600,000		$ 969,600,000
Percentage of revenue expected to be recognized from remaining performance obligations	97.00%		97.00%
Remaining performance obligation, explanation			We expect to recognize revenue on approximately 40% of these remaining performance obligations over the next 24 months with the balance recognized thereafter.
Percentage of expected revenue recognition			40.00%
Provision for cost of return and product warranty claims recorded	$ 0		$ 0
Allowance for credit losses recorded to operations	900,000		$ 2,100,000	$ 2,100,000
Revenue, practical expedient, remaining performance obligation, description			We apply the practical expedient to expense sales commissions when the amortization period would have been one year or less.
Amortization of sales commissions	1,800,000	$ 1,400,000	$ 5,500,000	3,700,000
Impairment losses	0	$ 0	0	$ 0
Balance as of December 31, 2021
Disaggregation Of Revenue [Line Items]
Deferred revenue recognized	25,800,000		133,800,000
Balance as of June 30, 2022
Disaggregation Of Revenue [Line Items]
Deferred revenue recognized	74,900,000
Sales Commission
Disaggregation Of Revenue [Line Items]
Deferred commissions	28,800,000		28,800,000
Sales Commission | Other Assets
Disaggregation Of Revenue [Line Items]
Deferred commissions	21,200,000		21,200,000
Sales Commission | Prepaid Expenses
Disaggregation Of Revenue [Line Items]
Deferred commissions	$ 7,600,000		$ 7,600,000
Cloud Subscriptions
Disaggregation Of Revenue [Line Items]
Maximum percentage of managed services			3.00%
Perpetual Software License Revenue | Sales Revenue, Net | Product Concentration Risk
Disaggregation Of Revenue [Line Items]
Total software revenue, perpetual software license percentage			3.50%