Leases - Schedule of Components of Lease Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Occupancy and equipment
Schedule Of Lease Expense [Line Items]
Operating lease cost	$ 9,348	$ 10,634	$ 26,194	$ 27,094
Amortization on ROU assets	326	181	979	485
Interest expense
Schedule Of Lease Expense [Line Items]
Interest on lease liabilities	$ 53	$ 27	$ 169	$ 70