Leases - Schedule of Components of Lease Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Insurance
Schedule Of Lease Expense [Line Items]
Operating lease cost		$ 1,100		$ 2,200
Occupancy and equipment
Schedule Of Lease Expense [Line Items]
Operating lease cost	$ 9,137	10,589	$ 16,460	21,595
Amortization on ROU assets	152	18	304	18
Interest expense
Schedule Of Lease Expense [Line Items]
Interest on lease liabilities	$ 21	$ 3	$ 43	$ 3