Commitments, Contingencies and Guarantees (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Loss Contingencies [Line Items]
FDIC indemnification asset, incurred losses	$ 0	$ 0	$ 0	$ 0
Self insurance accrued in health care claims	3,900,000		3,900,000		$ 2,400,000
Contingent liability
Russia's invasion of Ukraine | Other expenses
Loss Contingencies [Line Items]
Loss contingency accrual, provision	2,000,000	$ 4,800,000	4,000,000	$ 10,800,000
Guarantees
Loss Contingencies [Line Items]
Guarantee liability	1,400,000		1,400,000		$ 1,600,000
Contingent liability	$ 0		$ 0