Organization, Consolidation and Summary of Significant Accounting Policies - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2022 USD ($) Customer Segment	Dec. 31, 2021 USD ($) Customer	Dec. 31, 2020 USD ($) Customer
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Percentage of revenue accounted for by top 5 customers	11.00%	12.00%	12.00%
Number of customers accounting for more than 10% of revenue | Customer	0	0	0
Number of customers accounting for more than 10% of accounts receivable | Customer	0	0
Cash	$ 118,900,000
Cash equivalents	106,600,000
Long-term investments	0
Money market funds	100,400,000
Investments	0
Revenue recognized in the reporting period from performance obligations satisfied in prior periods	0
Revenue expected to be recognized from remaining performance obligations	$ 1,051,500,000
Percentage of revenue expected to be recognized from remaining performance obligations	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%
Allowance for doubtful accounts recorded to operations	$ 5,400,000	$ 2,500,000	$ 3,500,000
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	$ 7,500,000	5,200,000	3,100,000
Impairment losses	0	0	0
Depreciation and amortization expense	6,663,000	7,914,000	8,946,000
Impairment charges of long-lived assets	0	0	0
Impairment charges of intangible assets	0	0	0
Goodwill, net	$ 62,230,000	62,239,000
Customer's license amortization period	5 years
Number of reportable segments | Segment	3
Advertising expense	$ 1,200,000	2,300,000	1,600,000
Office Equipment
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life	5 years
Furniture and Fixtures
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life	7 years
Leasehold Improvements
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Leasehold improvements useful life	lesser of their useful lives or the term of the lease.
Balance as of December 31, 2020
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Deferred revenue recognized	$ 147,500,000
Sales Commission
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Deferred commissions	29,900,000	23,200,000
Sales Commission | Other Assets
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Deferred commissions	21,900,000	16,900,000
Sales Commission | Prepaid Expenses
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Deferred commissions	8,000,000.0	6,300,000
Americas
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Accounts receivable, net	133,600,000	100,400,000
Depreciation and amortization expense	5,964,000	7,020,000	7,932,000
Goodwill, net	54,766,000	54,766,000
EMEA
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Accounts receivable, net	28,100,000	19,500,000
Depreciation and amortization expense	613,000	738,000	823,000
Goodwill, net	5,501,000	5,510,000
APAC
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Accounts receivable, net	5,000,000.0	4,500,000
Depreciation and amortization expense	86,000	156,000	191,000
Goodwill, net	1,963,000	1,963,000
India
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Certificates of deposit	6,200,000
Other (Loss) Income, Net
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Foreign exchange gains (losses)	$ 4,700,000	$ (200,000)	$ (400,000)