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Note 5 - Loans and the Allowance for Credit Losses - Activity in the ACL for Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Provision for (reversal of) credit losses - loans | $ 1,504 | $ 9,338 | $ 5,721 | $ 13,816
Commercial Portfolio Segment [Member] |  |  |  |
Balance | 29,326 | 28,135 | 28,903 | 25,969
Charge-offs | (2,250) | (410) | (6,117) | (751)
Recoveries | 0 | 53 | 9 | 54
Provision for (reversal of) credit losses - loans | 775 | 1,911 | 5,056 | 4,417
Balance | 27,851 | 29,689 | 27,851 | 29,689
Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Balance | 52,509 | 47,562 | 53,742 | 45,589
Charge-offs | (237) | 0 | (1,954) | (226)
Recoveries | 0 | 0 | 0 | 0
Provision for (reversal of) credit losses - loans | 461 | 6,964 | 945 | 9,163
Balance | 52,733 | 54,526 | 52,733 | 54,526
Commercial Construction Portfolio Segment [Member] |  |  |  |
Balance | 3,546 | 3,413 | 3,718 | 3,580
Charge-offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0
Provision for (reversal of) credit losses - loans | 363 | 31 | 191 | (136)
Balance | 3,909 | 3,444 | 3,909 | 3,444
Residential Portfolio Segment [Member] |  |  |  |
Balance | 3,819 | 3,625 | 4,143 | 3,628
Charge-offs | 0 | 0 | (18) | (9)
Recoveries | 1 | 0 | 69 | 63
Provision for (reversal of) credit losses - loans | (88) | 428 | (462) | 371
Balance | 3,732 | 4,053 | 3,732 | 4,053
Consumer Portfolio Segment [Member] |  |  |  |
Balance | 5 | 4 | 7 | 7
Charge-offs | 0 | (3) | 0 | (3)
Recoveries | 7 | 0 | 7 | 0
Provision for (reversal of) credit losses - loans | (7) | 4 | (9) | 1
Balance | 5 | 5 | 5 | 5
Unallocated Financing Receivables [Member] |  |  |  |
Balance | 89,205 | 82,739 | 90,513 | 78,773
Charge-offs | (2,487) | (413) | (8,089) | (989)
Recoveries | 8 | 53 | 85 | 117
Provision for (reversal of) credit losses - loans | 1,504 | 9,338 | 5,721 | 13,816
Balance | $ 88,230 | $ 91,717 | $ 88,230 | $ 91,717

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