Significant Accounting Policies - Summary of Information Services Revenue by Timing of Recognition (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Significant Accounting Policies [Line Items]
Revenues	$ 718,300	$ 698,951	$ 689,125
Information Services [Member]
Significant Accounting Policies [Line Items]
Revenues	39,314	38,175	34,341
Information Services [Member] | Transferred over Time [Member]
Significant Accounting Policies [Line Items]
Revenues	38,452	37,341	32,425
Information Services [Member] | Transferred at a Point in Time [Member]
Significant Accounting Policies [Line Items]
Revenues	$ 862	$ 834	$ 1,916