Segments - Summary of Operating Segment Revenue, Net Income (Loss) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	$ 1,228,409	$ 1,046,193
Depreciation and amortization	19,772	18,234
Income taxes	4,556	0
Net income (loss)	(71,033)	37,720
Consolidated net income (loss)	(110,047)
Corporate Segment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	1,228,409	1,046,193
Employee expenses (excluding share-based compensation expense)	268,621	234,730
Share-based compensation expense (income)	131,490	(6,090)
Other segment items	871,725	758,740
Depreciation and amortization	19,772	18,234
Interest expense	3,278	2,859
Income taxes	4,556	0
Net income (loss)	(71,033)	37,720
Adjustments and reconciling items	0	0
Consolidated net income (loss)	$ (71,033)	$ 37,720