v3.26.1
Financial Instruments (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Assets    
Securities, available for sale $ 853,913 $ 676,592
Securities, held for maturity 265,579 268,094
Carrying Amount    
Assets    
Federal funds sold 544 551
Securities, available for sale 853,913 676,592
Securities, held for maturity 322,939 322,675
Loans held for sale 0  
Loans, net 1,886,089 2,029,047
Accrued interest receivable 13,920 12,455
Liabilities    
Deposits 3,507,544 3,632,877
Repurchase agreements 7,119 7,119
Accrued interest payable 22,558 17,637
Long-term advances from Federal Home Loan Bank 135,000 135,000
Senior long-term debt 14,210 14,203
Junior subordinated debentures 29,820 29,805
Carrying Amount | Cash and due from banks    
Assets    
Cash and due from banks 733,223 845,150
Fair Value Measurements    
Assets    
Federal funds sold 544 551
Securities, available for sale 853,913 676,592
Securities, held for maturity 265,579 268,094
Loans held for sale 0  
Loans, net 1,881,395 2,025,685
Accrued interest receivable 13,920 12,455
Liabilities    
Deposits 3,507,868 3,643,821
Repurchase agreements 7,120 7,160
Accrued interest payable 22,558 17,637
Long-term advances from Federal Home Loan Bank 135,745 136,529
Senior long-term debt 14,266 14,266
Junior subordinated debentures 30,000 30,000
Fair Value Measurements | Cash and due from banks    
Assets    
Cash and due from banks 733,223 845,150
Fair Value Measurements | Level 1    
Assets    
Federal funds sold 544 551
Securities, available for sale 73,908 98,149
Securities, held for maturity 0 0
Loans held for sale 0  
Loans, net 0 0
Accrued interest receivable 0 0
Liabilities    
Deposits 0 0
Repurchase agreements 0 0
Accrued interest payable 0 0
Long-term advances from Federal Home Loan Bank 0 0
Senior long-term debt 0 0
Junior subordinated debentures 0 0
Fair Value Measurements | Level 1 | Cash and due from banks    
Assets    
Cash and due from banks 733,223 845,150
Fair Value Measurements | Level 2    
Assets    
Federal funds sold 0 0
Securities, available for sale 764,224 555,565
Securities, held for maturity 265,579 268,094
Loans held for sale 0  
Loans, net 0 0
Accrued interest receivable 0 0
Liabilities    
Deposits 0 0
Repurchase agreements 0 0
Accrued interest payable 0 0
Long-term advances from Federal Home Loan Bank 0 0
Senior long-term debt 0 0
Junior subordinated debentures 0 0
Fair Value Measurements | Level 2 | Cash and due from banks    
Assets    
Cash and due from banks 0 0
Fair Value Measurements | Level 3    
Assets    
Federal funds sold 0 0
Securities, available for sale 15,781 22,878
Securities, held for maturity 0 0
Loans held for sale 0  
Loans, net 1,881,395 2,025,685
Accrued interest receivable 13,920 12,455
Liabilities    
Deposits 3,507,868 3,643,821
Repurchase agreements 7,120 7,160
Accrued interest payable 22,558 17,637
Long-term advances from Federal Home Loan Bank 135,745 136,529
Senior long-term debt 14,266 14,266
Junior subordinated debentures 30,000 30,000
Fair Value Measurements | Level 3 | Cash and due from banks    
Assets    
Cash and due from banks $ 0 $ 0