v3.26.1
Borrowings - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Subordinated Borrowing [Line Items]      
Subordinated Borrowing, Interest Rate   5.00%  
Subordinated Debt $ 38,973 $ 38,973 $ 0
Customer repurchase agreements $ 563,405 $ 563,405 $ 490,601
Weighted average interest rates 1.95% 1.95% 1.72%
carrying value of the subordinated notes $ 39,000 $ 39,000  
Net of purchase accounting fair value adjustments 1,000 1,000  
Federal Home Loan Bank Advances [Member]      
Subordinated Borrowing [Line Items]      
Other Loans Payable Long Term 500,000 500,000 $ 500,000
Borrowings 200,000 200,000  
Short Term Advances 300,000 300,000  
Loans pledged as collaterals 7,560,000 7,560,000 6,470,000
Investment securities with carrying value 5,100,000 5,100,000 3,350,000
Borrowing Capacity 6,480,000 6,480,000 5,780,000
Available Capacity 6,170,000 6,170,000 5,280,000
Unsecured Borrowed Fund $ 305,000 $ 305,000 $ 305,000
Federal Home Loan Bank Advances May Two Thousand Twenty Six [Member]      
Subordinated Borrowing [Line Items]      
Borrowed funds cost percentage 4.73% 4.73%  
Maturities of Subordinated Debt $ 300,000    
Federal Home Loan Bank Advances May Two Thousand Twenty Seven [Member]      
Subordinated Borrowing [Line Items]      
Other Short-Term Borrowings 300,000 $ 300,000  
Replaced certificates of deposit with cash flow hedge $ 150,000 $ 150,000  
Borrowed funds cost percentage 4.27% 4.27%  
Weighted average fixd rate 3.99% 3.99%  
Subordinated Debt [Member]      
Subordinated Borrowing [Line Items]      
Notes Payable $ 40,000 $ 40,000