Quarterly report [Sections 13 or 15(d)]

BORROWINGS (Schedule of Available Short-Term Debt) (Details)

v3.26.1
BORROWINGS (Schedule of Available Short-Term Debt) (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Short-Term Debt [Line Items]    
Federal funds lines with correspondent banks $ 1,392,000 $ 1,410,000
Alternative line of credit with correspondent bank 25,000 25,000
FHLB secured line of credit 4,987,545 5,277,231
Federal Reserve Discount Window 1,653,410 2,573,492
Other secondary sources 5,248,460 4,960,331
Total available unused short-term borrowings 13,306,415 14,246,054
Maximum collateral dependent line of credit with the FHLB 11,200,000 $ 11,100,000
FHLB Secured Line Of Credit    
Short-Term Debt [Line Items]    
Maximum collateral dependent line of credit with the FHLB $ 5,900,000