v3.26.1
BORROWINGS Borrowings - - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Nov. 10, 2025
Apr. 14, 2021
Mar. 31, 2026
Dec. 31, 2025
Apr. 01, 2018
Debt Instrument [Line Items]          
Carrying Value of Securities Sold under Repurchase Agreements and Deposits Received for Securities Loaned     $ 0 $ 0  
FHLB short-term borrowings     550,000 675,000  
Line of Credit Facility, Maximum Borrowing Capacity     40,000    
Short-term Debt     620,457 675,332  
Long-term Debt     380,176 514,052  
Convertible Subordinated Debt $ 300,000 $ 18,500 150,000    
Debt Instrument, Basis Spread on Variable Rate 3.00% 2.99%      
Subordinated debt     $ 363,153 $ 495,077  
Debt, Weighted Average Interest Rate     6.27% 7.19%  
Other Notes payable interest rate     5.50% 5.38%  
Short-term Debt          
Debt Instrument [Line Items]          
Short-term Debt     $ 70,457 $ 332  
Federal Home Loan Bank Borrowings          
Debt Instrument [Line Items]          
Short-term Debt     $ 550,000 675,000  
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     $ 45,200 $ 45,100 $ 49,500
Debt Instrument Maturity Period     30 years    
DebtInstrumentMinimumCallablePeriod     5 years