Software, Equipment, and Property - Schedule of Software,Equipment and Property (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Total software, equipment, and property	$ 285,418	$ 245,477
Less accumulated depreciation and amortization	(125,002)	(99,034)
Net software, equipment, and property	160,416	146,443
Software, Licenses and Database [Member]
Property, Plant and Equipment [Line Items]
Total software, equipment, and property	220,625	175,616
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Total software, equipment, and property	27,467	33,043
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Total software, equipment, and property	31,046	30,430
Building and Land [Member]
Property, Plant and Equipment [Line Items]
Total software, equipment, and property	4,910	4,910
Furniture and Other Equipment [Member]
Property, Plant and Equipment [Line Items]
Total software, equipment, and property	$ 1,370	$ 1,478