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Note 8 - Loans - Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Balance | $ 154,562 | $ 146,485 | $ 146,485
(Reversal)/provision for expected credit losses | 1,167 | 3,255 |
Charge-offs | (2,193) | (7,907) | (23,486)
Recoveries | 1,053 | 3,051 |
Net (charge-offs)/recoveries | (1,140) | (4,856) |
Balance | 154,589 | 144,884 | 154,562
Commitments to Extend Credit [Member] |  |  |
Balance | 9,053 | 8,730 | 8,730
(Reversal)/provision for expected credit losses | 733 | 4,845 |
Balance | 9,786 | 13,575 | 9,053
Commercial Portfolio Segment [Member] |  |  |
Balance | 53,791 | 49,435 | 49,435
(Reversal)/provision for expected credit losses | (1,374) | (60) |
Charge-offs | (1,939) | (3,911) | (13,909)
Recoveries | 812 | 511 |
Net (charge-offs)/recoveries | (1,127) | (3,400) |
Balance | 51,290 | 45,975 | 53,791
Commercial Portfolio Segment [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | 6,888 | 4,840 | 4,840
(Reversal)/provision for expected credit losses | 572 | 3,435 |
Balance | 7,460 | 8,275 | 6,888
Real Estate Construction Portfolio Segment [Member] |  |  |
Balance | 8,180 | 10,417 | 10,417
(Reversal)/provision for expected credit losses | 359 | 483 |
Charge-offs | 0 | 0 | (4,221)
Recoveries | 0 | 0 |
Net (charge-offs)/recoveries | 0 | 0 |
Balance | 8,539 | 10,900 | 8,180
Real Estate Construction Portfolio Segment [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | 2,165 | 3,890 | 3,890
(Reversal)/provision for expected credit losses | 161 | 1,325 |
Balance | 2,326 | 5,215 | 2,165
Commercial Real Estate Portfolio Segment [Member] |  |  |
Balance | 74,428 | 68,366 | 68,366
(Reversal)/provision for expected credit losses | 2,872 | 3,463 |
Charge-offs | (251) | (3,990) | (5,341)
Recoveries | 0 | 2,528 |
Net (charge-offs)/recoveries | (251) | (1,462) |
Balance | 77,049 | 70,367 | 74,428
Commercial Real Estate Portfolio Segment [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | 0 | 0 | 0
(Reversal)/provision for expected credit losses | 0 | 85 |
Balance | 0 | 85 | 0
Residential Mortgage and Equity Lines Portfolio Segment [Member] |  |  |
Balance | 18,140 | 18,232 | 18,232
(Reversal)/provision for expected credit losses | (677) | (611) |
Charge-offs | (3) | 0 |
Recoveries | 241 | 12 |
Net (charge-offs)/recoveries | 238 | 12 |
Balance | 17,701 | 17,633 | 18,140
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | 0 | 0 | 0
(Reversal)/provision for expected credit losses | 0 | 0 |
Balance | 0 | 0 | 0
Installment and Other Loans [Member ] |  |  |
Balance | 23 | 35 | 35
(Reversal)/provision for expected credit losses | (13) | (20) |
Charge-offs | 0 | (6) | (15)
Recoveries | 0 | 0 |
Net (charge-offs)/recoveries | 0 | (6) |
Balance | 10 | 9 | 23
Installment and Other Loans [Member ] | Commitments to Extend Credit [Member] |  |  |
Balance | 0 | 0 | 0
(Reversal)/provision for expected credit losses | 0 | 0 |
Balance | $ 0 | $ 0 | $ 0

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