Income Taxes - Reconciliation of Unrecognized Tax Benefit Balances (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits, beginning balance	$ 4,665	$ 7,476	$ 19,483
Gross decreases for tax positions of prior years	0	0	(11,972)
Purchase accounting for 1st Global Acquisition	0	0	(35)
Statute of limitations expirations	(1,856)	(2,811)	0
Unrecognized tax benefits, ending balance	$ 2,809	$ 4,665	$ 7,476