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Note 4 - Loans - Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Balance | $ 166,538 | $ 123,224 | $ 122,391
Provision/(reversal) for loan losses | (11,210) | 57,500 | (7,000)
Charge-offs | (20,054) | (21,996) | (6,997)
Recoveries | 2,443 | 7,810 | 14,830
Net (Charge-offs)/Recoveries | (17,611) | (14,186) |
Balance | 136,157 | 166,538 | 123,224
Reserve for impaired loans |  | 6,429 |
Reserve for non-impaired loans |  | 160,109 |
Reserve for off-balance sheet credit commitments |  | 5,880 |
(Reversal)/provision for credit losses | (16,008) | 57,500 | (7,000)
Commitments to Extend Credit [Member] |  |  |
Balance | 5,880 |  |
Balance | 7,100 | 5,880 |
(Reversal)/provision for credit losses | (4,798) |  |
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance | (1,560) | 0 | 0
Balance |  | (1,560) | 0
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | 6,018 |  |
Balance |  | 6,018 |
Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |  |
Balance | 164,978 |  |
Balance |  | 164,978 |
Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | 11,898 |  |
Balance |  | 11,898 |
Commercial Portfolio Segment [Member] |  |  |
Balance | 68,742 | 57,021 |
Provision/(reversal) for loan losses | 24,463 | 26,450 |
Charge-offs | (20,051) | (21,996) |
Recoveries | 1,706 | 7,267 |
Net (Charge-offs)/Recoveries | (18,345) | (14,729) |
Balance | 43,394 | 68,742 | 57,021
Reserve for impaired loans |  | 1,030 |
Reserve for non-impaired loans |  | 67,712 |
Reserve for off-balance sheet credit commitments |  | 4,802 |
Commercial Portfolio Segment [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | 4,802 |  |
Balance | 3,725 | 4,802 |
(Reversal)/provision for credit losses | (4,313) |  |
Commercial Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance | (31,466) |  |
Balance |  | (31,466) |
Commercial Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | 3,236 |  |
Balance |  | 3,236 |
Commercial Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |  |
Balance | 37,276 |  |
Balance |  | 37,276 |
Commercial Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | 8,038 |  |
Balance |  | 8,038 |
Real Estate Construction Portfolio Segment [Member] |  |  |
Balance | 30,854 | 19,474 |
Provision/(reversal) for loan losses | (321) | 11,380 |
Charge-offs | 0 | 0 |
Recoveries | 76 | 0 |
Net (Charge-offs)/Recoveries | 76 | 0 |
Balance | 6,302 | 30,854 | 19,474
Reserve for impaired loans |  | 0 |
Reserve for non-impaired loans |  | 30,854 |
Reserve for off-balance sheet credit commitments |  | 690 |
Real Estate Construction Portfolio Segment [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | 690 |  |
Balance | 3,375 | 690 |
(Reversal)/provision for credit losses | (450) |  |
Real Estate Construction Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance | (24,307) |  |
Balance |  | (24,307) |
Real Estate Construction Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | 3,135 |  |
Balance |  | 3,135 |
Real Estate Construction Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |  |
Balance | 6,547 |  |
Balance |  | 6,547 |
Real Estate Construction Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | 3,825 |  |
Balance |  | 3,825 |
Commercial Real Estate Portfolio Segment [Member] |  |  |
Balance | 49,205 | 33,602 |
Provision/(reversal) for loan losses | (23,401) | 15,164 |
Charge-offs | 0 | 0 |
Recoveries | 284 | 439 |
Net (Charge-offs)/Recoveries | 284 | 439 |
Balance | 61,081 | 49,205 | 33,602
Reserve for impaired loans |  | 5,254 |
Reserve for non-impaired loans |  | 43,951 |
Reserve for off-balance sheet credit commitments |  | 101 |
Commercial Real Estate Portfolio Segment [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | 101 |  |
Balance | 0 | 101 |
(Reversal)/provision for credit losses | (35) |  |
Commercial Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance | 34,993 |  |
Balance |  | 34,993 |
Commercial Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | (66) |  |
Balance |  | (66) |
Commercial Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |  |
Balance | 84,198 |  |
Balance |  | 84,198 |
Commercial Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | 35 |  |
Balance |  | 35 |
Residential Mortgage and Equity Lines Portfolio Segment [Member] |  |  |
Balance | 17,737 | 13,108 |
Provision/(reversal) for loan losses | (11,943) | 4,525 |
Charge-offs | (3) | 0 |
Recoveries | 377 | 104 |
Net (Charge-offs)/Recoveries | 374 | 104 |
Balance | 25,379 | 17,737 | 13,108
Reserve for impaired loans |  | 145 |
Reserve for non-impaired loans |  | 17,592 |
Reserve for off-balance sheet credit commitments |  | 284 |
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | 284 |  |
Balance | 0 | 284 |
(Reversal)/provision for credit losses | 0 |  |
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance | 19,211 |  |
Balance |  | 19,211 |
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | (284) |  |
Balance |  | (284) |
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |  |
Balance | 36,948 |  |
Balance |  | 36,948 |
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | 0 |  |
Balance |  | 0 |
Installment and Other Loans [Member ] |  |  |
Balance | 0 | 19 |
Provision/(reversal) for loan losses | (8) | (19) |
Charge-offs | 0 | 0 |
Recoveries | (0) | 0 |
Net (Charge-offs)/Recoveries | 0 | 0 |
Balance | 1 | 0 | $ 19
Reserve for impaired loans |  | 0 |
Reserve for non-impaired loans |  | 0 |
Reserve for off-balance sheet credit commitments |  | 3 |
Installment and Other Loans [Member ] | Commitments to Extend Credit [Member] |  |  |
Balance | 3 |  |
Balance | 0 | 3 |
(Reversal)/provision for credit losses | 0 |  |
Installment and Other Loans [Member ] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance | 9 |  |
Balance |  | 9 |
Installment and Other Loans [Member ] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | (3) |  |
Balance |  | (3) |
Installment and Other Loans [Member ] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |  |
Balance | 9 |  |
Balance |  | 9 |
Installment and Other Loans [Member ] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Commitments to Extend Credit [Member] |  |  |
Balance | $ 0 |  |
Balance |  | $ 0 |

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