v3.26.3
Fair Value of Assets and Liabilities - Summary of Financial Instruments Not Required to be Measured at Fair Value (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Dec. 31, 2024
Assets:            
Carrying Amount $ 878,309   $ 923,073      
Fair Value 766,426   867,714      
Loans and leases, net of deferred fees and costs [1] 6,840,809   6,756,907      
Bank owned life insurance 151,820   148,264      
Liabilities:            
Debt securities held to maturity, allowance for credit loss 233   236      
Allowance for credit losses 75,727 $ 78,103 75,676 $ 74,864 $ 74,681 $ 63,348
U.S. government sponsored agencies            
Assets:            
Carrying Amount 261,616   261,826      
Fair Value 236,778   254,435      
Liabilities:            
Debt securities held to maturity, allowance for credit loss 0   0      
States and political subdivisions            
Assets:            
Carrying Amount 138,405   140,843      
Fair Value 104,169   115,657      
Liabilities:            
Debt securities held to maturity, allowance for credit loss 233   236      
Residential mortgage-backed securities            
Assets:            
Carrying Amount 381,224   423,628      
Fair Value 345,888   413,123      
Liabilities:            
Debt securities held to maturity, allowance for credit loss 0   0      
Commercial mortgage-backed securities            
Assets:            
Carrying Amount 97,064   96,776      
Fair Value 79,591   84,499      
Liabilities:            
Debt securities held to maturity, allowance for credit loss 0   0      
Carrying Amount            
Assets:            
Carrying Amount 878,309   923,073      
Federal Reserve Bank ("FRB") stock 27,114   27,114      
Total other investments at cost 74,347   62,167      
Fair Value            
Assets:            
Fair Value 766,426   867,714      
Total other investments at cost 74,347   62,167      
Level 1 | Carrying Amount            
Assets:            
Cash and cash equivalents 300,775   188,951      
Level 1 | Fair Value            
Assets:            
Cash and cash equivalents 300,775   188,951      
Level 2 | Carrying Amount            
Assets:            
Bank owned life insurance 151,820   148,264      
Liabilities:            
Deposits 7,442,094   7,704,583      
Short-term borrowings 704,120   435,926      
Long-term borrowings 155,054   204,138      
Level 2 | Carrying Amount | U.S. government sponsored agencies            
Assets:            
Carrying Amount 261,616   261,826      
Level 2 | Carrying Amount | States and political subdivisions            
Assets:            
Carrying Amount 138,405   140,843      
Level 2 | Carrying Amount | Residential mortgage-backed securities            
Assets:            
Carrying Amount 381,224   423,628      
Level 2 | Carrying Amount | Commercial mortgage-backed securities            
Assets:            
Carrying Amount 97,064   96,776      
Level 2 | Fair Value            
Assets:            
Bank owned life insurance 151,820   148,264      
Liabilities:            
Deposits 6,016,507   6,660,991      
Short-term borrowings 704,063   435,923      
Long-term borrowings 164,834   222,323      
Level 2 | Fair Value | U.S. government sponsored agencies            
Assets:            
Fair Value 236,778   254,435      
Level 2 | Fair Value | States and political subdivisions            
Assets:            
Fair Value 104,169   115,657      
Level 2 | Fair Value | Residential mortgage-backed securities            
Assets:            
Fair Value 345,888   413,123      
Level 2 | Fair Value | Commercial mortgage-backed securities            
Assets:            
Fair Value 79,591   84,499      
Level 3 | Carrying Amount            
Assets:            
Federal Home Loan Bank ("FHLB") stock 42,617   30,843      
Federal Reserve Bank ("FRB") stock 27,114   27,114      
Other investments 4,616   4,210      
Loans and leases, net of deferred fees and costs 6,840,809   6,756,907      
Level 3 | Fair Value            
Assets:            
Federal Home Loan Bank ("FHLB") stock 42,617   30,843      
Federal Reserve Bank ("FRB") stock 27,114   27,114      
Other investments 4,616   4,210      
Loans and leases, net of deferred fees and costs, fair value $ 6,504,654   $ 6,697,321      
[1] Also referred to throughout this Quarterly Report on Form 10-Q as "total loans" or "loans held for investment."