v3.22.4
Deposits (Additional Information About Corporation's Deposits) (Detail) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Deposit Liability [Line Items]    
Deposits from foreign sources (primarily Mexico) $ 1,048,943 $ 993,479
Non-interest-bearing public funds deposits 17,598,234 18,423,018
Interest-bearing public funds deposits 26,355,962 24,272,678
Total deposits not covered by deposit insurance 23,839,797 24,125,359
Time deposits not covered by deposit insurance 430,128 238,608
Deposits from certain directors, executive officers and their affiliates 153,083 276,556
Public Funds [Member]    
Deposit Liability [Line Items]    
Non-interest-bearing public funds deposits 788,040 1,235,026
Interest-bearing public funds deposits $ 758,761 $ 810,863