v3.26.1
FAIR VALUE OF FINANCIAL INSTRUMENTS (Estimated Fair Value and Carrying Value) (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Financial Assets:            
Trading securities $ 23   $ 23      
Investment securities held-to-maturity 214,083   225,065      
Servicing assets 67,867 $ 67,228 66,333 $ 68,588 $ 69,238 $ 70,435
Level 1 | Fair Value            
Financial Assets:            
Cash and cash equivalents 745,706   1,040,335      
Investment securities available-for-sale 2,150   1,651      
Level 1 | Carrying Value            
Financial Assets:            
Cash and cash equivalents 745,706   1,040,335      
Investment securities available-for-sale 2,150   1,651      
Level 2 | Fair Value            
Financial Assets:            
Trading securities 23   23      
Investment securities available-for-sale 2,370,968   2,509,231      
Investment securities held-to-maturity 214,083   225,065      
Federal Home Loan Bank (FHLB) stock 27,350   27,421      
Equity securities 37,467   35,317      
Level 2 | Carrying Value            
Financial Assets:            
Trading securities 23   23      
Investment securities available-for-sale 2,370,968   2,509,231      
Investment securities held-to-maturity 258,698   269,498      
Federal Home Loan Bank (FHLB) stock 27,350   27,421      
Equity securities 37,467   35,317      
Level 3 | Fair Value            
Financial Assets:            
Total loans, net (including loans held-for-sale) 8,089,603   8,002,176      
Accrued interest receivable 70,128   71,110      
Servicing assets 67,867   66,333      
Accounts receivable and other assets 85,221   68,371      
Financial Liabilities:            
Deposits 10,038,833   10,281,789      
Securities sold under agreements to repurchase 99,518   100,037      
Advances from FHLB 455,152   457,679      
Other borrowings 0   9      
Accrued expenses and other liabilities 166,148   209,997      
Level 3 | Carrying Value            
Financial Assets:            
Total loans, net (including loans held-for-sale) 8,117,021   8,014,246      
Accrued interest receivable 70,128   71,110      
Servicing assets 67,867   66,333      
Accounts receivable and other assets 85,221   68,371      
Financial Liabilities:            
Deposits 9,983,128   10,262,752      
Securities sold under agreements to repurchase 100,085   100,714      
Advances from FHLB 456,530   456,581      
Other borrowings 0   9      
Accrued expenses and other liabilities $ 166,148   $ 209,997