v3.26.1
Note 4 - Loans and Allowance for Credit Losses - Schedule of Total Loans Outstanding by Portfolio Segment (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss $ 4,034,244 $ 4,048,022
Commercial Borrower [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,824,861 2,796,997
Consumer Borrower [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   1,251,025
Commercial Portfolio Segment [Member] | Commercial Borrower [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,382,200 1,164,093
Commercial Portfolio Segment [Member] | Commercial Borrower [Member] | Commercial and Industrial Portfolio Segments [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 759,959 736,833
Commercial Portfolio Segment [Member] | Commercial Borrower [Member] | Owner Occupied Loans [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 622,241 427,260
Commercial Real Estate Portfolio Segment [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,335,092 1,505,605
Commercial Real Estate Portfolio Segment [Member] | Commercial Borrower [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,335,092 1,505,605
Commercial Real Estate Portfolio Segment [Member] | Commercial Borrower [Member] | Construction, Land, and Development [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 79,850 246,238
Commercial Real Estate Portfolio Segment [Member] | Commercial Borrower [Member] | Multifamily Loan [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 361,875 383,505
Commercial Real Estate Portfolio Segment [Member] | Commercial Borrower [Member] | Non-Owner Occupied [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 893,367 875,862
Agricultural Real Estate Portfolio Segment [Member] | Commercial Borrower [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 107,569 127,299
Agricultural Real Estate Portfolio Segment [Member] | Commercial Borrower [Member] | Land [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 54,202 64,799
Agricultural Real Estate Portfolio Segment [Member] | Commercial Borrower [Member] | Production Loans [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 53,367 62,500
Residential Portfolio Segment [Member] | Consumer Borrower [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,165,203 1,206,167
Residential Portfolio Segment [Member] | Consumer Borrower [Member] | Real Estate, First Lien [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 828,936 874,737
Residential Portfolio Segment [Member] | Consumer Borrower [Member] | Construction Loans [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 31,202 33,703
Residential Portfolio Segment [Member] | Consumer Borrower [Member] | Home Equity Loan [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 273,124 260,883
Residential Portfolio Segment [Member] | Consumer Borrower [Member] | Real Estate, Junior Lien [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 31,941 36,844
Consumer Portfolio Segment [Member] | Consumer Borrower [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,209,383 1,251,025
Consumer Portfolio Segment [Member] | Consumer Borrower [Member] | Consumer, Other [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss $ 44,180 $ 44,858