Income Taxes - Schedule of Income Taxes Expenses Benefit Reconciliation (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Income taxes at statutory federal income tax rate	$ 548,336	$ 515,581	$ 371,599
Increase (decrease) in taxes:
Tax-exempt income	(37,170)	(20,605)	(22,806)
State and local income taxes, net of federal income tax effect	109,903	101,046	71,127
Qualified affordable housing project tax credits, net	(22,524)	(14,542)	(14,826)
Other	20,915	14,923	11,275
Income taxes	$ 619,460	$ 596,403	$ 416,369