v3.26.1
FAIR VALUE MEASURES - Carrying Amount and Estimated Fair Value of Financial Instruments (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Financial assets:    
Cash and due from banks $ 237,431 $ 253,807
Interest-bearing deposits in banks 959,682 835,113
Debt securities held-to-maturity 192,993 189,873
Financial liabilities:    
Other borrowings 1,250,049 558,039
Subordinated deferrable interest debentures 135,299 134,302
Carrying Amount    
Financial assets:    
Cash and due from banks 237,431 253,807
Interest-bearing deposits in banks 959,682 835,113
Debt securities held-to-maturity 208,155 203,242
Loans, net 21,782,626 21,128,692
Financial liabilities:    
Deposits 22,587,573 22,375,995
Other borrowings 1,250,049 558,039
Subordinated deferrable interest debentures 135,299 134,302
Fair Value    
Financial assets:    
Cash and due from banks 237,431 253,807
Interest-bearing deposits in banks 959,682 835,113
Debt securities held-to-maturity 192,993 189,873
Loans, net 21,603,398 20,957,101
Financial liabilities:    
Deposits 22,582,379 22,370,800
Other borrowings 1,248,218 556,091
Subordinated deferrable interest debentures 143,196 142,340
Fair Value | Level 1    
Financial assets:    
Cash and due from banks 237,431 253,807
Interest-bearing deposits in banks 959,682 835,113
Debt securities held-to-maturity 0 0
Loans, net 0 0
Financial liabilities:    
Deposits 0 0
Other borrowings 342,000 524,908
Subordinated deferrable interest debentures 0 0
Fair Value | Level 2    
Financial assets:    
Cash and due from banks 0 0
Interest-bearing deposits in banks 0 0
Debt securities held-to-maturity 192,993 189,873
Loans, net 0 0
Financial liabilities:    
Deposits 22,582,379 22,370,800
Other borrowings 906,218 31,183
Subordinated deferrable interest debentures 143,196 142,340
Fair Value | Level 3    
Financial assets:    
Cash and due from banks 0 0
Interest-bearing deposits in banks 0 0
Debt securities held-to-maturity 0 0
Loans, net 21,603,398 20,957,101
Financial liabilities:    
Deposits 0 0
Other borrowings 0 0
Subordinated deferrable interest debentures $ 0 $ 0