Leases - Schedule of Components of Lease Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Lease Cost [Line Items]
Net lease cost	$ 3,229	$ 3,347	$ 6,391	$ 6,730
Other, net [Member]
Lease Cost [Line Items]
Operating lease cost for subleased/assigned properties	0	13	0	469
Sublease income subleased/assigned properties	0	(15)	0	(405)
Occupancy [Member]
Lease Cost [Line Items]
Operating lease cost	2,882	3,345	5,993	6,655
Variable lease costs	$ 347	$ 4	$ 398	$ 11