Income Taxes - Components of Income Tax Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current
Federal	$ 367,028	$ 331,714	$ 267,550
State and local	143,012	85,354	98,431
Total current	510,040	417,068	365,981
Deferred
Federal	(18,444)	71,880	(22,894)
State and local	(11,543)	15,279	(8,397)
Total deferred	(29,987)	87,159	(31,291)
Amortization of investments in qualified affordable housing projects	139,407	92,176	81,679
Income taxes	$ 619,460	$ 596,403	$ 416,369

Amount of amortization expense of investment in qualified affordable housing projects.

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