Significant Accounting Policies - Summary of Information Services Revenue by Timing of Recognition (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Significant Accounting Policies [Line Items]
Revenues	$ 752,547	$ 718,300	$ 698,951
Information Services [Member]
Significant Accounting Policies [Line Items]
Revenues	46,383	39,314	38,175
Information Services [Member] | Transferred over Time [Member]
Significant Accounting Policies [Line Items]
Revenues	45,102	38,452	37,341
Information Services [Member] | Transferred at a Point in Time [Member]
Significant Accounting Policies [Line Items]
Revenues	$ 1,281	$ 862	$ 834