v3.26.1
Note 4 - Loans and Allowance for Credit Losses - Allowance for Loan Losses by Portfolio Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance $ 50,505 $ 61,929 $ 61,915 $ 59,929 $ 59,929
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] 431 1,116 [2] (3,954) 3,523 [3]  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs (3,490) (3,918) (10,936) (4,730) (5,748)
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 915 151 1,336 556  
Financing Receivable, Allowance for Credit Loss, Ending Balance 48,361 59,278 48,361 59,278 61,915
Commercial Borrower [Member]          
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance 37,971 52,448 49,491 50,130 50,130
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] (827) 989 [2] (5,616) 3,183 [3]  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs (2,738) (3,870) (9,859) (4,039)  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 886 139 1,276 432  
Financing Receivable, Allowance for Credit Loss, Ending Balance 35,292 49,706 35,292 49,706 49,491
Consumer Borrower [Member]          
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance 12,534 9,481 12,424 9,799 9,799
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] 1,258 127 [2] 1,662 340 [3]  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs (752) (48) (1,077) (691)  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 29 12 60 124  
Financing Receivable, Allowance for Credit Loss, Ending Balance 13,069 9,572 13,069 9,572 12,424
Commercial Portfolio Segment [Member] | Commercial Borrower [Member]          
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance 15,232 11,472 19,313 11,396 11,396
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] 2,434 618 4,722 582  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs (2,188) (85) (8,753) (254)  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 886 139 1,082 420  
Financing Receivable, Allowance for Credit Loss, Ending Balance 16,364 12,144 16,364 12,144 19,313
Commercial Real Estate Portfolio Segment [Member] | Commercial Borrower [Member]          
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance 21,369 39,460 28,596 37,506 37,506
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] (3,392) 265 (10,063) 2,219  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs (500) (3,401) (1,056) (3,401)  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 0 0 0 0  
Financing Receivable, Allowance for Credit Loss, Ending Balance 17,477 36,324 17,477 36,324 28,596
Agricultural Real Estate Portfolio Segment [Member] | Commercial Borrower [Member]          
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance 1,370 1,516 1,582 1,228 1,228
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] 131 106 [2] (275) 382 [3]  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs (50) (384) (50) (384)  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 0 0 194 12  
Financing Receivable, Allowance for Credit Loss, Ending Balance 1,451 1,238 1,451 1,238 1,582
Residential Portfolio Segment [Member] | Consumer Borrower [Member]          
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance 11,956 9,128 11,814 9,359 9,359
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] 1,223 91 [2] 1,577 464 [3]  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs (719) (10) (931) (614)  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 1 0 1 0  
Financing Receivable, Allowance for Credit Loss, Ending Balance 12,461 9,209 12,461 9,209 11,814
Commercial and Industrial Portfolio Segments [Member] | Commercial Portfolio Segment [Member] | Commercial Borrower [Member]          
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance 11,628 7,960 16,216 8,170 8,170
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] 162 317 [2] 1,954 6 [3]  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs (2,188) (79) (8,753) (248) (916)
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 875 128 1,060 398  
Financing Receivable, Allowance for Credit Loss, Ending Balance 10,477 8,326 10,477 8,326 16,216
Owner Occupied Loans [Member] | Commercial Portfolio Segment [Member] | Commercial Borrower [Member]          
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance 3,604 3,512 3,097 3,226 3,226
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] 2,272 301 2,768 576  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs 0 (6) 0 (6) (6)
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 11 11 22 22  
Financing Receivable, Allowance for Credit Loss, Ending Balance 5,887 3,818 5,887 3,818 3,097
Construction, Land, and Development [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Borrower [Member]          
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance 6,741 18,369 13,210 16,277 16,277
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] (3,763) 160 [2] (10,232) 2,252 [3]  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs 0 0 0 0 0
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 0 0 0 0  
Financing Receivable, Allowance for Credit Loss, Ending Balance 2,978 18,529 2,978 18,529 13,210
Multifamily Loan [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Borrower [Member]          
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance 3,699 4,749 4,380 4,716 4,716
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] 720 127 [2] 595 160 [3]  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs (500) 0 (1,056) 0 0
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 0 0 0 0  
Financing Receivable, Allowance for Credit Loss, Ending Balance 3,919 4,876 3,919 4,876 4,380
Non-Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Borrower [Member]          
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance 10,929 16,342 11,006 16,513 16,513
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] (349) (22) [2] (426) (193) [3]  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs 0 (3,401) 0 (3,401) (3,401)
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 0 0 0 0  
Financing Receivable, Allowance for Credit Loss, Ending Balance 10,580 12,919 10,580 12,919 11,006
Land [Member] | Agricultural Real Estate Portfolio Segment [Member] | Commercial Borrower [Member]          
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance 852 603 959 597 597
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] 31 12 [2] (76) 18 [3]  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs 0 0 0 0 0
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 0 0 0 0  
Financing Receivable, Allowance for Credit Loss, Ending Balance 883 615 883 615 959
Production Loans [Member] | Agricultural Real Estate Portfolio Segment [Member] | Commercial Borrower [Member]          
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance 518 913 623 631 631
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] 100 94 [2] (199) 364 [3]  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs (50) (384) (50) (384) (384)
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 0 0 194 12  
Financing Receivable, Allowance for Credit Loss, Ending Balance 568 623 568 623 623
Real Estate, First Lien [Member] | Residential Portfolio Segment [Member] | Consumer Borrower [Member]          
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance 9,122 7,042 9,358 6,921 6,921
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] 244 17 [2] 8 192 [3]  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs 0 0 0 (54) (55)
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 0 0 0 0  
Financing Receivable, Allowance for Credit Loss, Ending Balance 9,366 7,059 9,366 7,059 9,358
Construction Loans [Member] | Residential Portfolio Segment [Member] | Consumer Borrower [Member]          
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance 297 467 274 357 357
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] 69 (51) [2] 92 59 [3]  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs 0 0 0 0 0
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 0 0 0 0  
Financing Receivable, Allowance for Credit Loss, Ending Balance 366 416 366 416 274
Home Equity Loan [Member] | Residential Portfolio Segment [Member] | Consumer Borrower [Member]          
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance 2,130 1,180 1,787 1,339 1,339
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] 202 188 [2] 545 279 [3]  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs 0 (10) 0 (260) (548)
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 0 0 0 0  
Financing Receivable, Allowance for Credit Loss, Ending Balance 2,332 1,358 2,332 1,358 1,787
Real Estate, Junior Lien [Member] | Residential Portfolio Segment [Member] | Consumer Borrower [Member]          
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance 407 439 395 742 742
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] 708 (63) [2] 932 (66) [3]  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs (719) 0 (931) (300) (300)
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 1 0 1 0  
Financing Receivable, Allowance for Credit Loss, Ending Balance 397 376 397 376 395
Consumer, Other [Member] | Consumer Portfolio Segment [Member] | Consumer Borrower [Member]          
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance 578 353 610 440 440
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Provisions [1] 35 36 [2] 85 (124) [3]  
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs (33) (38) (146) (77) (138)
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Recovery 28 12 59 124  
Financing Receivable, Allowance for Credit Loss, Ending Balance $ 608 $ 363 $ 608 $ 363 $ 610
[1] The difference in the credit loss expense reported herein compared to the consolidated statements of income is associated with the credit loss expense of ($2.7) million related to off-balance sheet credit exposure, ($4) thousand related to HTM investment securities, and $78 thousand related to non-mortgage loans transferred to held for sale.
[2] The difference in the credit loss expense reported herein compared to the consolidated statements of income is associated with the credit loss expense of $0.4 million related to off-balance sheet credit exposure and $8 thousand related to HTM investment securities.
[3] The difference in the credit loss expense reported herein compared to the consolidated statements of income is associated with the credit loss expense of ($1.2) million related to off-balance sheet credit exposure, ($2) thousand related to HTM investment securities, and $78 thousand related to non-mortgage loans transferred to held for sale.