Employee Benefit Plans - Assumption Rates Used for Net Periodic Benefit Costs (Detail)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate:	0.041%	0.012%	0.007%
Expected return on assets:	0.04%	0.011%	0.007%
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate:	0.051%	0.018%	0.012%
Expected return on assets:	0.0512%	0.0222%	0.0178%