Summary of Significant Accounting Policies - Summary of Property Plant Equipment Estimated Useful Life (Detail)	Dec. 31, 2023
Computer Equipment [Member]
Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Furniture and Fixtures [Member]
Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	5 years
Database [Member]
Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	25 years
Building [Member]
Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	39 years
Leasehold Improvements [Member]
Accounting Policies [Line Items]
Property, Plant, and Equipment, Useful Life, Term, Description [Extensible Enumeration]	us-gaap:UsefulLifeShorterOfTermOfLeaseOrAssetUtilityMember
Land [Member]
Accounting Policies [Line Items]
Property, Plant, and Equipment, Useful Life, Term, Description [Extensible Enumeration]	us-gaap:UsefulLifeShorterOfTermOfLeaseOrAssetUtilityMember
Maximum [Member] | Software and Licenses [Member]
Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	5 years
Minimum [Member] | Software and Licenses [Member]
Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	2 years