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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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