Leases - Schedule of Components of Lease Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Occupancy and Equipment
Schedule Of Operating Lease Expense [Line Items]
Operating lease cost	$ 35,894	$ 36,894	$ 41,442
Amortization on ROU assets	1,305	753	146
Occupancy and Equipment | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Insurance1
Schedule Of Operating Lease Expense [Line Items]
Operating lease cost			3,500
Interest Expense
Schedule Of Operating Lease Expense [Line Items]
Interest on lease liabilities	$ 219	$ 116	$ 21