Segment and Geographic Information - Summary of Financial Information for Each Reportable Segment (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Revenues	$ 1,905,871	$ 1,541,889	$ 1,092,673
Operating Segments
Segment Reporting Information [Line Items]
Revenues	1,905,871	1,541,889	1,092,673
Total contribution	$ 1,035,173	$ 899,429	$ 594,257
Contribution margin (in percent)	54.00%	58.00%	54.00%
Operating Segments \| Government
Segment Reporting Information [Line Items]
Revenues	$ 1,071,776	$ 897,356	$ 610,198
Total contribution	$ 620,677	$ 541,883	$ 346,937
Contribution margin (in percent)	58.00%	60.00%	57.00%
Operating Segments \| Commercial
Segment Reporting Information [Line Items]
Revenues	$ 834,095	$ 644,533	$ 482,475
Total contribution	$ 414,496	$ 357,546	$ 247,320
Contribution margin (in percent)	50.00%	55.00%	51.00%

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details