Annual report [Section 13 and 15(d), not S-K Item 405]

FAIR VALUE MEASUREMENTS (Carrying Values and Estimated Fair Values of the Company's Financial Instruments) (Details)

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FAIR VALUE MEASUREMENTS (Carrying Values and Estimated Fair Values of the Company's Financial Instruments) (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
ASSETS    
Cash and cash equivalents $ 966,462 $ 354,074
AFS Securities 4,194,301 2,442,166
HTM securities 856,812 759,335
Restricted stock 190,200 102,954
LHFS 18,486 9,420
LHFI, net of unearned income 27,517,137 17,896,688
Financial Derivatives 112,686 97,445
Accrued interest receivable 131,741 92,541
Bank owned life insurance 672,890 493,396
LIABILITIES    
Deposits 30,467,372 20,393,673
Borrowings 1,435,699 471,671
Accrued interest payable 19,412 26,214
Financial Derivatives 166,690 199,548
Fair Value, Inputs, Level 1 [Member]    
ASSETS    
Cash and cash equivalents 966,462 354,074
AFS Securities 88,946 62,199
HTM securities 0 0
Restricted stock 0 0
LHFS 0 0
LHFI, net of unearned income 0 0
Financial Derivatives 0 0
Accrued interest receivable 0 0
Bank owned life insurance 0 0
LIABILITIES    
Deposits 0 0
Borrowings 0 0
Accrued interest payable 0 0
Financial Derivatives 0 0
Fair Value, Inputs, Level 2 [Member]    
ASSETS    
Cash and cash equivalents 0 0
AFS Securities 4,105,355 2,379,967
HTM securities 855,906 758,400
Restricted stock 190,200 102,954
LHFS 18,486 9,420
LHFI, net of unearned income 0 0
Financial Derivatives 112,686 97,445
Accrued interest receivable 131,741 92,541
Bank owned life insurance 672,890 493,396
LIABILITIES    
Deposits 30,467,372 20,393,673
Borrowings 1,435,699 471,671
Accrued interest payable 19,412 26,214
Financial Derivatives 166,690 199,548
Fair Value, Inputs, Level 3 [Member]    
ASSETS    
Cash and cash equivalents 0 0
AFS Securities 0 0
HTM securities 906 935
Restricted stock 0 0
LHFS 0 0
LHFI, net of unearned income 27,517,137 17,896,688
Financial Derivatives 0 0
Accrued interest receivable 0 0
Bank owned life insurance 0 0
LIABILITIES    
Deposits 0 0
Borrowings 0 0
Accrued interest payable 0 0
Financial Derivatives 0 0
Reported Value Measurement [Member]    
ASSETS    
Cash and cash equivalents 966,462 354,074
AFS Securities 4,194,301 2,442,166
HTM securities 884,216 803,851
Restricted stock 190,200 102,954
LHFS 18,486 9,420
LHFI, net of unearned income 27,796,167 18,470,621
Financial Derivatives 112,686 97,445
Accrued interest receivable 131,741 92,541
Bank owned life insurance 672,890 493,396
LIABILITIES    
Deposits 30,471,636 20,397,619
Borrowings 1,497,292 534,578
Accrued interest payable 19,412 26,214
Financial Derivatives $ 166,690 $ 199,548