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Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Summary Of Significant Accounting Policies [Line Items]
Allowance for doubtful accounts	$ 2,862		$ 2,862		$ 3,396
Capitalized contract cost, amortization period (in years)	5 years		5 years
Commission expense	$ 13,200	$ 12,600	$ 38,200	$ 35,500
Computer software and hardware
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	3 years		3 years
Internally developed software
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	3 years		3 years
Equipment
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	5 years		5 years
Office furniture and fixtures
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	10 years		10 years
Government Agencies | Sales Revenue, Net | Customer Concentration Risk
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage	32.40%	31.00%	33.30%	30.60%
Federal Government Agencies | Sales Revenue, Net | Customer Concentration Risk
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage	25.00%	23.20%	24.90%	22.50%
International Customers | Sales Revenue, Net | Customer Concentration Risk
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage	39.70%	36.30%	38.20%	37.20%
Customer One | Accounts Receivable | Customer Concentration Risk
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage			17.30%		17.50%

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Amount of allowance for credit loss on accounts receivable, classified as current.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of fees incurred for commissions on mutual funds and insurance products.

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