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Summary of significant accounting policies.

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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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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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Amount of fees incurred for commissions on mutual funds and insurance products.

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Accounting Policies - Additional Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) agency	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Number of government agencies \| agency	3
Allowance for doubtful accounts	$ 2,265		$ 2,606
Capitalized contract cost, amortization period (in years)	5 years
Commission expense	$ 11,400	$ 11,000
Severance costs		$ 4,200
Computer software and hardware
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	3 years
Internally developed software
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	3 years
Equipment
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	5 years
Office furniture and fixtures
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	10 years
Sales Revenue, Net \| Customer Concentration Risk \| Government Agencies
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage	21.70%	20.50%
Sales Revenue, Net \| Customer Concentration Risk \| Federal Government Agencies
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage	4.50%	4.20%
Sales Revenue, Net \| Customer Concentration Risk \| Foreign Customers
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage	37.20%	33.40%
Accounts Receivable \| Customer Concentration Risk \| Customer One
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage	12.00%