v3.25.1
Note 4 - Loans and Allowance for Credit Losses - Schedule of Loans Past Due (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss $ 4,085,483 $ 3,992,534
Financing Receivable, Excluding Accrued Interest, Nonaccrual 50,517 54,433
Financial Asset, Not Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 4,021,967 3,924,341
Financial Asset, 30 to 59 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 12,789 3,987
Financial Asset, 60 to 89 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 210 1,320
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 8,453
Commercial Borrower [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,881,103 2,787,277
Financing Receivable, Excluding Accrued Interest, Nonaccrual 38,934 41,757
Commercial Borrower [Member] | Financial Asset, Not Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,830,942 2,735,772
Commercial Borrower [Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 11,047 1,215
Commercial Borrower [Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 180 133
Commercial Borrower [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 8,400
Commercial Borrower [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 658,446 666,727
Financing Receivable, Excluding Accrued Interest, Nonaccrual 2,955 3,218
Commercial Borrower [Member] | Commercial Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 646,332 654,073
Commercial Borrower [Member] | Commercial Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 9,159 903
Commercial Borrower [Member] | Commercial Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 133
Commercial Borrower [Member] | Commercial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 8,400
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,089,523 1,996,243
Financing Receivable, Excluding Accrued Interest, Nonaccrual 34,728 37,278
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction, Land, and Development [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 360,024 294,677
Financing Receivable, Excluding Accrued Interest, Nonaccrual 32,711 30,044
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 353,060 363,123
Financing Receivable, Excluding Accrued Interest, Nonaccrual 0 0
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Non-Owner Occupied [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 951,559 967,025
Financing Receivable, Excluding Accrued Interest, Nonaccrual 0 5,217
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loans [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 424,880 371,418
Financing Receivable, Excluding Accrued Interest, Nonaccrual 2,017 2,017
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,053,324 1,958,740
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Construction, Land, and Development [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 327,138 264,633
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Multifamily Loan [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 353,060 363,123
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Non-Owner Occupied [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 951,559 961,808
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Owner Occupied Loans [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 421,567 369,176
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,471 225
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Construction, Land, and Development [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 175 0
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Multifamily Loan [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Non-Owner Occupied [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Owner Occupied Loans [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,296 225
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Construction, Land, and Development [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Multifamily Loan [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Non-Owner Occupied [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Owner Occupied Loans [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Construction, Land, and Development [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Multifamily Loan [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-Owner Occupied [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Owner Occupied Loans [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 133,134 124,307
Financing Receivable, Excluding Accrued Interest, Nonaccrual 1,251 1,261
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member] | Land [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 68,894 61,299
Financing Receivable, Excluding Accrued Interest, Nonaccrual 599 609
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member] | Production Loans [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 64,240 63,008
Financing Receivable, Excluding Accrued Interest, Nonaccrual 652 652
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 131,286 122,959
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Land [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 68,115 60,690
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Production Loans [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 63,171 62,269
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 417 87
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Land [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Production Loans [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 417 87
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 180 0
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Land [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 180 0
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Production Loans [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Land [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Production Loans [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Consumer Borrower [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   1,205,257
Consumer Borrower [Member] | Residential Portfolio Segment [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,165,427 1,161,135
Financing Receivable, Excluding Accrued Interest, Nonaccrual 11,509 12,338
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Real Estate, First Lien [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 907,534 921,019
Financing Receivable, Excluding Accrued Interest, Nonaccrual 2,533 2,988
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Construction Loans [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 38,553 33,547
Financing Receivable, Excluding Accrued Interest, Nonaccrual 4,680 4,680
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 175,600 162,509
Financing Receivable, Excluding Accrued Interest, Nonaccrual 1,391 1,460
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Real Estate, Junior Lien [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 43,740 44,060
Financing Receivable, Excluding Accrued Interest, Nonaccrual 2,905 3,210
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,152,238 1,144,918
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Real Estate, First Lien [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 903,810 915,167
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Construction Loans [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 33,873 28,867
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Home Equity Loan [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 173,919 160,430
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Real Estate, Junior Lien [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 40,636 40,454
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,669 2,669
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Real Estate, First Lien [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,191 2,104
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Construction Loans [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Home Equity Loan [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 290 169
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Real Estate, Junior Lien [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 188 396
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 11 1,157
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Real Estate, First Lien [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 707
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Construction Loans [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Home Equity Loan [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 450
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Real Estate, Junior Lien [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 11 0
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 53
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Real Estate, First Lien [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 53
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Construction Loans [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Home Equity Loan [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Real Estate, Junior Lien [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Consumer Borrower [Member] | Consumer Portfolio Segment [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,204,380 1,205,257
Financing Receivable, Excluding Accrued Interest, Nonaccrual 11,583 12,676
Consumer Borrower [Member] | Consumer Portfolio Segment [Member] | Consumer, Other [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 38,953 44,122
Financing Receivable, Excluding Accrued Interest, Nonaccrual 74 338
Consumer Borrower [Member] | Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,191,025 1,188,569
Consumer Borrower [Member] | Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Consumer, Other [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 38,787 43,651
Consumer Borrower [Member] | Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,742 2,772
Consumer Borrower [Member] | Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Consumer, Other [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 73 103
Consumer Borrower [Member] | Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 30 1,187
Consumer Borrower [Member] | Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Consumer, Other [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 19 30
Consumer Borrower [Member] | Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 53
Consumer Borrower [Member] | Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer, Other [Member]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss $ 0 $ 0