v3.26.3
BORROWINGS Borrowings - - Additional Information (Details) - USD ($)
$ in Thousands
9 Months Ended
Nov. 10, 2025
Apr. 14, 2021
Sep. 30, 2026
Dec. 31, 2025
Apr. 01, 2018
Debt Instrument [Line Items]          
FHLB short-term borrowings     $ 575,000 $ 675,000  
Line of Credit Facility, Maximum Borrowing Capacity     40,000    
Short-term Debt     651,860 675,332  
Long-term Debt     364,925 514,052  
Convertible Subordinated Debt $ 300,000 $ 18,500 150,000    
Debt Instrument, Basis Spread on Variable Rate 3.00%        
Subordinated debt     $ 345,419 $ 495,077  
Debt, Weighted Average Interest Rate     6.83% 7.19%  
Other Notes payable interest rate     5.80% 5.38%  
Short-term Debt          
Debt Instrument [Line Items]          
Short-term Debt     $ 76,860 $ 332  
Federal Home Loan Bank Borrowings          
Debt Instrument [Line Items]          
Short-term Debt     $ 575,000 675,000  
Long-term Debt [Member]          
Debt Instrument [Line Items]          
Subordinated Borrowing, Interest Rate 6.375% 3.75% 5.25%    
Subordinated Debt [Member]          
Debt Instrument [Line Items]          
Subordinated debt     $ 45,400 $ 45,100 $ 49,500
Debt Instrument Maturity Period     30 years    
DebtInstrumentMinimumCallablePeriod     5 years