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Note 5 - Loans and ACL for Loans - Allowance for Loan Losses by Portfolio Segment and Based on Impairment Evaluation Method (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Beginning balance | $ 73,531 | $ 53,898 | $ 51,920
Provision for credit losses | 12,471 | 9,682 | 1,397
Charge-offs | (7,512) | (2,307) | (7,681)
Recoveries | (884) | (2,308) | (1,505)
Ending balance | 79,374 | 73,531 | 53,898
Initial Allowance on PCD Loans |  | 9,950 | 6,757
Charge-offs | (7,512) | (2,307) | (7,681)
Recoveries | 884 | 2,308 | 1,505
Loans, individually evaluated for impairment | 30,842 | 27,706 |
Allowance for loans, individually evaluated for impairment | 3,833 | 5,822 |
Real Estate [Member] |  |  |
Loans, individually evaluated for impairment | 26,318 | 22,459 |
Accounts Receivable and Equipment [Member] |  |  |
Loans, individually evaluated for impairment | 4,189 | 5,028 |
Other Collateral [Member] |  |  |
Loans, individually evaluated for impairment | 335 | 219 |
Home Equity Line of Credit [Member] |  |  |
Beginning balance | 1,613 | 1,044 | 895
Provision for credit losses | 59 | 567 | 1
Charge-offs | (12) | 0 | 0
Recoveries | 0 | 0 | (1)
Ending balance | 1,660 | 1,613 | 1,044
Initial Allowance on PCD Loans |  | 2 | 147
Charge-offs | (12) | 0 | 0
Recoveries | 0 | 0 | 1
Loans, individually evaluated for impairment | 467 | 205 |
Allowance for loans, individually evaluated for impairment | 0 | 0 |
Home Equity Line of Credit [Member] | Real Estate [Member] |  |  |
Loans, individually evaluated for impairment | 467 | 205 |
Home Equity Line of Credit [Member] | Accounts Receivable and Equipment [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Home Equity Line of Credit [Member] | Other Collateral [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Commercial Real Estate Portfolio Segment [Member] |  |  |
Beginning balance | 33,468 | 25,555 | 26,379
Provision for credit losses | 232 | 2,112 | (205)
Charge-offs | 0 | (78) | (4,974)
Recoveries | (100) | (250) | (752)
Ending balance | 33,800 | 33,468 | 25,555
Initial Allowance on PCD Loans |  | 5,629 | 3,603
Charge-offs | 0 | (78) | (4,974)
Recoveries | 100 | 250 | 752
Loans, individually evaluated for impairment | 18,005 | 19,179 |
Allowance for loans, individually evaluated for impairment | 2,416 | 3,498 |
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member] |  |  |
Loans, individually evaluated for impairment | 18,005 | 19,179 |
Commercial Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Commercial Real Estate Portfolio Segment [Member] | Other Collateral [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] |  |  |
Beginning balance | 22,641 | 15,960 | 19,396
Provision for credit losses | (599) | 3,173 | (2,031)
Charge-offs | 0 | (37) | (3,065)
Recoveries | (91) | (37) | (169)
Ending balance | 22,133 | 22,641 | 15,960
Initial Allowance on PCD Loans |  | 3,508 | 1,491
Charge-offs | 0 | (37) | (3,065)
Recoveries | 91 | 37 | 169
Loans, individually evaluated for impairment | 15,419 | 14,764 |
Allowance for loans, individually evaluated for impairment | 1,604 | 2,652 |
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Real Estate [Member] |  |  |
Loans, individually evaluated for impairment | 15,419 | 14,764 |
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Accounts Receivable and Equipment [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Other Collateral [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] |  |  |
Beginning balance | 10,827 | 9,595 | 6,983
Provision for credit losses | 831 | (1,061) | 1,826
Charge-offs | 0 | (41) | (1,909)
Recoveries | (9) | (213) | (583)
Ending balance | 11,667 | 10,827 | 9,595
Initial Allowance on PCD Loans |  | 2,121 | 2,112
Charge-offs | 0 | (41) | (1,909)
Recoveries | 9 | 213 | 583
Loans, individually evaluated for impairment | 2,586 | 4,415 |
Allowance for loans, individually evaluated for impairment | 812 | 846 |
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Real Estate [Member] |  |  |
Loans, individually evaluated for impairment | 2,586 | 4,415 |
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Accounts Receivable and Equipment [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Other Collateral [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Commercial and Industrial Portfolio Segment [Member] |  |  |
Loans, individually evaluated for impairment | 7,272 | 5,489 |
Allowance for loans, individually evaluated for impairment | 1,085 | 1,966 |
Commercial and Industrial Portfolio Segment [Member] | Real Estate [Member] |  |  |
Loans, individually evaluated for impairment | 3,083 | 461 |
Commercial and Industrial Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |
Loans, individually evaluated for impairment | 4,189 | 5,028 |
Commercial and Industrial Portfolio Segment [Member] | Other Collateral [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Commercial and Industrial Portfolio Segment [Member] | Term [Member] |  |  |
Beginning balance | 12,991 | 8,577 | 8,970
Provision for credit losses | 3,607 | 2,497 | (112)
Charge-offs | (2,298) | (724) | (1,337)
Recoveries | (59) | (1,283) | (34)
Ending balance | 14,359 | 12,991 | 8,577
Initial Allowance on PCD Loans |  | 1,358 | 1,022
Charge-offs | (2,298) | (724) | (1,337)
Recoveries | 59 | 1,283 | 34
Loans, individually evaluated for impairment | 4,390 | 2,246 |
Allowance for loans, individually evaluated for impairment | 377 | 1,205 |
Commercial and Industrial Portfolio Segment [Member] | Term [Member] | Real Estate [Member] |  |  |
Loans, individually evaluated for impairment | 302 | 39 |
Commercial and Industrial Portfolio Segment [Member] | Term [Member] | Accounts Receivable and Equipment [Member] |  |  |
Loans, individually evaluated for impairment | 4,088 | 2,207 |
Commercial and Industrial Portfolio Segment [Member] | Term [Member] | Other Collateral [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Commercial and Industrial Portfolio Segment [Member] | Lines of Credit [Member] |  |  |
Beginning balance | 6,389 | 4,802 | 3,614
Provision for credit losses | 3,582 | (87) | (567)
Charge-offs | (3,633) | (200) | 0
Recoveries | (157) | 0 | 0
Ending balance | 6,495 | 6,389 | 4,802
Initial Allowance on PCD Loans |  | 1,874 | 1,755
Charge-offs | (3,633) | (200) | 0
Recoveries | 157 | 0 | 0
Loans, individually evaluated for impairment | 2,882 | 3,243 |
Allowance for loans, individually evaluated for impairment | 708 | 761 |
Commercial and Industrial Portfolio Segment [Member] | Lines of Credit [Member] | Real Estate [Member] |  |  |
Loans, individually evaluated for impairment | 2,781 | 422 |
Commercial and Industrial Portfolio Segment [Member] | Lines of Credit [Member] | Accounts Receivable and Equipment [Member] |  |  |
Loans, individually evaluated for impairment | 101 | 2,821 |
Commercial and Industrial Portfolio Segment [Member] | Lines of Credit [Member] | Other Collateral [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Total Commercial and Industrial Portfolio Segment [Member] |  |  |
Beginning balance | 19,380 | 13,379 | 12,584
Provision for credit losses | 7,189 | 2,410 | (679)
Charge-offs | (5,931) | (924) | (1,337)
Recoveries | (216) | (1,283) | (34)
Ending balance | 20,854 | 19,380 | 13,379
Initial Allowance on PCD Loans |  | 3,232 | 2,777
Charge-offs | (5,931) | (924) | (1,337)
Recoveries | 216 | 1,283 | 34
Residential Real Estate Portfolio Segment [Member] |  |  |
Beginning balance | 10,314 | 7,993 | 5,207
Provision for credit losses | 3,280 | 1,702 | 2,900
Charge-offs | (43) | (57) | (383)
Recoveries | (47) | (86) | (39)
Ending balance | 13,598 | 10,314 | 7,993
Initial Allowance on PCD Loans |  | 590 | 230
Charge-offs | (43) | (57) | (383)
Recoveries | 47 | 86 | 39
Loans, individually evaluated for impairment | 4,763 | 2,614 |
Allowance for loans, individually evaluated for impairment | 314 | 338 |
Residential Real Estate Portfolio Segment [Member] | Real Estate [Member] |  |  |
Loans, individually evaluated for impairment | 4,763 | 2,614 |
Residential Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Residential Real Estate Portfolio Segment [Member] | Other Collateral [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Residential Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] |  |  |
Beginning balance | 3,597 | 3,677 | 1,818
Provision for credit losses | 683 | (75) | 1,766
Charge-offs | 0 | (27) | 0
Recoveries | (2) | (22) | (5)
Ending balance | 4,282 | 3,597 | 3,677
Initial Allowance on PCD Loans |  | 0 | 88
Charge-offs | 0 | (27) | 0
Recoveries | 2 | 22 | 5
Loans, individually evaluated for impairment | 558 | 415 |
Allowance for loans, individually evaluated for impairment | 116 | 116 |
Residential Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Real Estate [Member] |  |  |
Loans, individually evaluated for impairment | 558 | 415 |
Residential Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Accounts Receivable and Equipment [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Residential Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Other Collateral [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Residential Real Estate Portfolio Segment [Member] | Owner Occupied [Member] |  |  |
Beginning balance | 6,717 | 4,316 | 3,389
Provision for credit losses | 2,597 | 1,777 | 1,134
Charge-offs | (43) | (30) | (383)
Recoveries | (45) | (64) | (34)
Ending balance | 9,316 | 6,717 | 4,316
Initial Allowance on PCD Loans |  | 590 | 142
Charge-offs | (43) | (30) | (383)
Recoveries | 45 | 64 | 34
Loans, individually evaluated for impairment | 4,205 | 2,199 |
Allowance for loans, individually evaluated for impairment | 198 | 222 |
Residential Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Real Estate [Member] |  |  |
Loans, individually evaluated for impairment | 4,205 | 2,199 |
Residential Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Accounts Receivable and Equipment [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Residential Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Other Collateral [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Construction and Development [Member] |  |  |
Beginning balance | 7,186 | 4,789 | 6,119
Provision for credit losses | 407 | 2,050 | (1,333)
Charge-offs | 0 | (72) | 0
Recoveries | 0 | 0 | (3)
Ending balance | 7,593 | 7,186 | 4,789
Initial Allowance on PCD Loans |  | 419 | 0
Charge-offs | 0 | (72) | 0
Recoveries | 0 | 0 | 3
Loans, individually evaluated for impairment | 0 | 0 |
Allowance for loans, individually evaluated for impairment | 0 | 0 |
Construction and Development [Member] | Real Estate [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Construction and Development [Member] | Accounts Receivable and Equipment [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Construction and Development [Member] | Other Collateral [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Consumer Portfolio Segment [Member] |  |  |
Beginning balance | 1,158 | 772 | 340
Provision for credit losses | 628 | 750 | 743
Charge-offs | (865) | (1,080) | (987)
Recoveries | (486) | (638) | (676)
Ending balance | 1,407 | 1,158 | 772
Initial Allowance on PCD Loans |  | 78 | 0
Charge-offs | (865) | (1,080) | (987)
Recoveries | 486 | 638 | 676
Loans, individually evaluated for impairment | 335 | 219 |
Allowance for loans, individually evaluated for impairment | 18 | 20 |
Consumer Portfolio Segment [Member] | Real Estate [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Consumer Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Consumer Portfolio Segment [Member] | Other Collateral [Member] |  |  |
Loans, individually evaluated for impairment | 335 | 219 |
Finance Leases Portfolio Segment [Member] |  |  |
Beginning balance | 201 | 204 | 261
Provision for credit losses | 19 | (3) | (57)
Charge-offs | 0 | 0 | 0
Recoveries | 0 | 0 | 0
Ending balance | 220 | 201 | 204
Initial Allowance on PCD Loans |  | 0 | 0
Charge-offs | 0 | 0 | 0
Recoveries | 0 | 0 | 0
Loans, individually evaluated for impairment | 0 | 0 |
Allowance for loans, individually evaluated for impairment | 0 | 0 |
Finance Leases Portfolio Segment [Member] | Real Estate [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Finance Leases Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Finance Leases Portfolio Segment [Member] | Other Collateral [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Commercial Portfolio Segment [Member] | Credit Card Receivable [Member] |  |  |
Beginning balance | 211 | 162 | 135
Provision for credit losses | 657 | 94 | 27
Charge-offs | (661) | (96) | 0
Recoveries | (35) | (51) | 0
Ending balance | 242 | 211 | 162
Initial Allowance on PCD Loans |  | 0 | 0
Charge-offs | (661) | (96) | 0
Recoveries | 35 | 51 | $ 0
Loans, individually evaluated for impairment | 0 | 0 |
Allowance for loans, individually evaluated for impairment | 0 | 0 |
Commercial Portfolio Segment [Member] | Credit Card Receivable [Member] | Real Estate [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Commercial Portfolio Segment [Member] | Credit Card Receivable [Member] | Accounts Receivable and Equipment [Member] |  |  |
Loans, individually evaluated for impairment | 0 | 0 |
Commercial Portfolio Segment [Member] | Credit Card Receivable [Member] | Other Collateral [Member] |  |  |
Loans, individually evaluated for impairment | $ 0 | $ 0 |

X
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- Definition Amount of increase in allowance for credit loss on financing receivable from purchase of loan. Excludes financing receivable purchased with credit deterioration, loan acquired through business combination or acquisition, and net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
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