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Income Taxes - Schedule of Income Taxes Expenses Benefit Reconciliation (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Income taxes at statutory federal income tax rate $ 515,581 $ 371,599 $ 534,925
Increase (decrease) in taxes:      
Tax-exempt income (20,605) (22,806) (27,319)
State and local income taxes, net of federal income tax effect 101,046 71,127 118,085
Qualified affordable housing project tax credits, net (14,542) (14,826) (15,324)
Other 14,923 11,275 7,745
Income taxes $ 596,403 $ 416,369 $ 618,112