v3.26.1
FAIR VALUE OF FINANCIAL ASSETS AND FINANCIAL LIABILITIES (Carrying Amount and Estimated Fair Value of Financial Instruments) (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Financial assets:    
Cash and due from financial institutions $ 96,678 $ 88,200
Interest-bearing deposits in other financial institutions 286,593 290,453
Loans held for sale 2,364 1,084
Mortgage servicing rights, net 8,364 8,672
Accrued interest receivable 23,419 23,559
Financial liabilities:    
Noninterest-bearing demand 1,917,502 1,891,198
Time 993,847 983,937
Accrued interest payable 6,044 7,068
Commitments to extend credit    
Financial liabilities:    
Off-balance sheet financial instruments, Notional Amount 1,350,744 1,337,099
Standby letters of credit and financial guarantees written    
Financial liabilities:    
Off-balance sheet financial instruments, Notional Amount 2,835 2,624
Forward sale commitments    
Financial liabilities:    
Notional Amount (1,714) (1,095)
Risk participation agreements    
Financial liabilities:    
Notional Amount (51,986) (52,435)
Assets    
Financial liabilities:    
Notional Amount (63,772) (60,660)
Assets, fair value disclosure 2,878 3,045
Liabilities    
Financial liabilities:    
Notional Amount (63,772) (60,660)
Liabilities, fair value disclosure (2,878) (3,045)
Interest rate swap agreements    
Financial liabilities:    
Notional Amount (114,580) (114,580)
Quoted Prices in Active Markets for Identical Assets (Level 1)    
Financial assets:    
Cash and due from financial institutions 96,678 88,200
Interest-bearing deposits in other financial institutions 286,593 290,453
Investment securities 60,136 61,291
Loans held for sale 0 0
Net loans and leases 0 0
Mortgage servicing rights, net 0 0
Accrued interest receivable 616 651
Financial liabilities:    
Noninterest-bearing demand 1,917,502 1,891,198
Interest-bearing demand and savings deposits 3,784,405 3,734,629
Time 0 0
Long-term debt 0 0
Accrued interest payable 80 102
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commitments to extend credit    
Financial liabilities:    
Off-balance sheet financial instruments 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Standby letters of credit and financial guarantees written    
Financial liabilities:    
Off-balance sheet financial instruments 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Forward sale commitments | Recurring basis    
Financial liabilities:    
Liabilities, fair value disclosure 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Risk participation agreements    
Financial liabilities:    
Liabilities, fair value disclosure   0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Risk participation agreements | Recurring basis    
Financial liabilities:    
Liabilities, fair value disclosure 0  
Quoted Prices in Active Markets for Identical Assets (Level 1) | Assets    
Financial liabilities:    
Assets, fair value disclosure 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Liabilities    
Financial liabilities:    
Liabilities, fair value disclosure 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest rate swap agreements    
Financial liabilities:    
Assets, fair value disclosure 0 0
Significant Other Observable Inputs (Level 2)    
Financial assets:    
Cash and due from financial institutions 0 0
Interest-bearing deposits in other financial institutions 0 0
Investment securities 1,243,671 1,176,050
Loans held for sale 2,364 1,084
Net loans and leases 0 0
Mortgage servicing rights, net 0 0
Accrued interest receivable 4,747 4,075
Financial liabilities:    
Noninterest-bearing demand 0 0
Interest-bearing demand and savings deposits 0 0
Time 0 0
Long-term debt 0 0
Accrued interest payable 0 0
Significant Other Observable Inputs (Level 2) | Commitments to extend credit    
Financial liabilities:    
Off-balance sheet financial instruments 1,105 1,063
Significant Other Observable Inputs (Level 2) | Standby letters of credit and financial guarantees written    
Financial liabilities:    
Off-balance sheet financial instruments 43 39
Significant Other Observable Inputs (Level 2) | Forward sale commitments | Recurring basis    
Financial liabilities:    
Liabilities, fair value disclosure (5) (4)
Significant Other Observable Inputs (Level 2) | Risk participation agreements    
Financial liabilities:    
Liabilities, fair value disclosure   (3)
Significant Other Observable Inputs (Level 2) | Risk participation agreements | Recurring basis    
Financial liabilities:    
Liabilities, fair value disclosure 0  
Significant Other Observable Inputs (Level 2) | Assets    
Financial liabilities:    
Assets, fair value disclosure 2,878 3,045
Significant Other Observable Inputs (Level 2) | Liabilities    
Financial liabilities:    
Liabilities, fair value disclosure (2,878) (3,045)
Significant Other Observable Inputs (Level 2) | Interest rate swap agreements    
Financial liabilities:    
Assets, fair value disclosure 5,242 4,163
Significant Unobservable Inputs (Level 3)    
Financial assets:    
Cash and due from financial institutions 0 0
Interest-bearing deposits in other financial institutions 0 0
Investment securities 6,499 6,716
Loans held for sale 0 0
Net loans and leases 5,014,807 5,016,971
Mortgage servicing rights, net 11,467 11,301
Accrued interest receivable 18,056 18,833
Financial liabilities:    
Noninterest-bearing demand 0 0
Interest-bearing demand and savings deposits 0 0
Time 987,696 978,868
Long-term debt 75,351 73,579
Accrued interest payable 5,964 6,966
Significant Unobservable Inputs (Level 3) | Commitments to extend credit    
Financial liabilities:    
Off-balance sheet financial instruments 0 0
Significant Unobservable Inputs (Level 3) | Standby letters of credit and financial guarantees written    
Financial liabilities:    
Off-balance sheet financial instruments 0 0
Significant Unobservable Inputs (Level 3) | Forward sale commitments | Recurring basis    
Financial liabilities:    
Liabilities, fair value disclosure 0 0
Significant Unobservable Inputs (Level 3) | Risk participation agreements    
Financial liabilities:    
Liabilities, fair value disclosure   0
Significant Unobservable Inputs (Level 3) | Risk participation agreements | Recurring basis    
Financial liabilities:    
Liabilities, fair value disclosure 0  
Significant Unobservable Inputs (Level 3) | Assets    
Financial liabilities:    
Assets, fair value disclosure 0 0
Significant Unobservable Inputs (Level 3) | Liabilities    
Financial liabilities:    
Liabilities, fair value disclosure 0 0
Significant Unobservable Inputs (Level 3) | Interest rate swap agreements    
Financial liabilities:    
Assets, fair value disclosure 0 0
Carrying Amount    
Financial assets:    
Cash and due from financial institutions 96,678 88,200
Interest-bearing deposits in other financial institutions 286,593 290,453
Investment securities 1,380,593 1,310,603
Loans held for sale 2,364 1,084
Net loans and leases 5,308,322 5,289,096
Mortgage servicing rights, net 8,364 8,672
Accrued interest receivable 23,419 23,559
Financial liabilities:    
Noninterest-bearing demand 1,917,502 1,891,198
Interest-bearing demand and savings deposits 3,784,405 3,734,629
Time 993,847 983,937
Long-term debt 76,547 76,547
Accrued interest payable 6,044 7,068
Carrying Amount | Commitments to extend credit    
Financial liabilities:    
Off-balance sheet financial instruments 0 0
Carrying Amount | Standby letters of credit and financial guarantees written    
Financial liabilities:    
Off-balance sheet financial instruments 0 0
Carrying Amount | Forward sale commitments | Recurring basis    
Financial liabilities:    
Liabilities, fair value disclosure (5) (4)
Carrying Amount | Risk participation agreements    
Financial liabilities:    
Liabilities, fair value disclosure   (3)
Carrying Amount | Risk participation agreements | Recurring basis    
Financial liabilities:    
Liabilities, fair value disclosure 0  
Carrying Amount | Assets    
Financial liabilities:    
Assets, fair value disclosure 2,878 3,045
Carrying Amount | Interest rate swap agreements    
Financial liabilities:    
Assets, fair value disclosure 5,242 4,163
Estimated Fair Value    
Financial assets:    
Cash and due from financial institutions 96,678 88,200
Interest-bearing deposits in other financial institutions 286,593 290,453
Investment securities 1,310,306 1,244,057
Loans held for sale 2,364 1,084
Net loans and leases 5,014,807 5,016,971
Mortgage servicing rights, net 11,467 11,301
Accrued interest receivable 23,419 23,559
Financial liabilities:    
Noninterest-bearing demand 1,917,502 1,891,198
Interest-bearing demand and savings deposits 3,784,405 3,734,629
Time 987,696 978,868
Long-term debt 75,351 73,579
Accrued interest payable 6,044 7,068
Estimated Fair Value | Commitments to extend credit    
Financial liabilities:    
Off-balance sheet financial instruments 1,105 1,063
Estimated Fair Value | Standby letters of credit and financial guarantees written    
Financial liabilities:    
Off-balance sheet financial instruments 43 39
Estimated Fair Value | Forward sale commitments | Recurring basis    
Financial liabilities:    
Liabilities, fair value disclosure (5) (4)
Estimated Fair Value | Risk participation agreements    
Financial liabilities:    
Liabilities, fair value disclosure   (3)
Estimated Fair Value | Risk participation agreements | Recurring basis    
Financial liabilities:    
Liabilities, fair value disclosure 0  
Estimated Fair Value | Assets    
Financial liabilities:    
Assets, fair value disclosure 2,878 3,045
Estimated Fair Value | Interest rate swap agreements    
Financial liabilities:    
Assets, fair value disclosure $ 5,242 $ 4,163