Commitments, Contingencies and Guarantees (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Loss Contingencies [Line Items]
FDIC indemnification asset, incurred losses	$ 0	$ 0	$ 0	$ 0
Self insurance accrued in health care claims	3,300,000		3,300,000		$ 3,700,000
Contingent liability
Russia's invasion of Ukraine | Other expenses
Loss Contingencies [Line Items]
Loss contingency accrual, provision	2,000,000.0	$ 2,000,000.0	4,000,000.0	$ 4,000,000.0
Guarantees
Loss Contingencies [Line Items]
Guarantee liability	1,400,000		1,400,000		$ 1,400,000
Contingent liability	$ 0		$ 0