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Note 5 - Loans - Analysis of Allowance for Loans Losses by Portfolio Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Balance | $ 165,034 | $ 155,892 | $ 164,458 | [1] | $ 153,317 | $ 153,317 |
Charge-offs | (7,502) | (3,582) | (13,594) |  | (5,589) | (13,684) |
Recoveries | 1,018 | 429 | 1,214 |  | 643 |  |
Provision for credit losses on loans | 11,409 | 5,353 | 17,881 |  | 9,721 |  |
Balance | 169,959 | 158,092 | 169,959 |  | 158,092 | 164,458 | [1]
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |  |  |
Charge-offs |  |  | (9,263) |  |  | (12,115) |
Commercial Real Estate Portfolio Segment [Member] | Commercial, Financial, and Agricultural Loans [Member] |  |  |  |  |  |  |
Balance | 52,518 | 51,022 | 55,330 |  | 52,121 | 52,121 |
Charge-offs | (6,849) | (3,355) | (9,263) |  | (5,197) |  |
Recoveries | 959 | 406 | 1,129 |  | 605 |  |
Provision for credit losses on loans | 6,394 | 8,143 | 5,826 |  | 8,687 |  |
Balance | 53,022 | 56,216 | 53,022 |  | 56,216 | 55,330 |
Real Estate Portfolio Segment[Member] |  |  |  |  |  |  |
Balance | 68,429 | 57,640 | 67,726 |  | 55,126 | 55,126 |
Charge-offs | (580) | (119) | (4,152) |  | (186) |  |
Recoveries | 1 | 0 | 1 |  | 6 |  |
Provision for credit losses on loans | 210 | 2,163 | 4,485 |  | 4,738 |  |
Balance | 68,060 | 59,684 | 68,060 |  | 59,684 | 67,726 |
Real Estate Portfolio Segment[Member] | Construction Loans [Member] |  |  |  |  |  |  |
Balance | 41,809 | 45,689 | 38,597 |  | 44,658 | 44,658 |
Charge-offs | 0 | 0 | (46) |  | 0 | 0 |
Recoveries | 0 | 8 | 0 |  | 8 |  |
Provision for credit losses on loans | 4,614 | (5,247) | 7,872 |  | (4,216) |  |
Balance | 46,423 | 40,450 | 46,423 |  | 40,450 | 38,597 |
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] |  |  |  |  |  |  |
Balance | 21,330 | 18,391 | 22,302 |  | 17,702 | 17,702 |
Charge-offs | (560) | (100) | (3,351) |  | (100) | (237) |
Recoveries | 1 | 0 | 1 |  | 6 |  |
Provision for credit losses on loans | 156 | 748 | 1,975 |  | 1,431 |  |
Balance | 20,927 | 19,039 | 20,927 |  | 19,039 | 22,302 |
Real Estate Portfolio Segment[Member] | One to Four Family [Member] |  |  |  |  |  |  |
Balance | 15,246 | 12,994 | 14,096 |  | 12,029 | 12,029 |
Charge-offs | (20) | (19) | (51) |  | (86) | (761) |
Recoveries | 0 | 0 | 0 |  | 0 |  |
Provision for credit losses on loans | (282) | 654 | 899 |  | 1,686 |  |
Balance | 14,944 | 13,629 | 14,944 |  | 13,629 | 14,096 |
Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member] |  |  |  |  |  |  |
Balance | 31,853 | 26,255 | 31,328 |  | 25,395 | 25,395 |
Charge-offs | 0 | 0 | (750) |  | 0 |  |
Recoveries | 0 | 0 | 0 |  | 0 |  |
Provision for credit losses on loans | 336 | 761 | 1,611 |  | 1,621 |  |
Balance | 32,189 | 27,016 | 32,189 |  | 27,016 | 31,328 |
Consumer Portfolio Segment [Member] |  |  |  |  |  |  |
Balance | 2,278 | 1,541 | 2,805 |  | 1,412 | 1,412 |
Charge-offs | (73) | (108) | (133) |  | (206) | (571) |
Recoveries | 58 | 15 | 84 |  | 24 |  |
Provision for credit losses on loans | 191 | 294 | (302) |  | 512 |  |
Balance | $ 2,454 | $ 1,742 | $ 2,454 |  | $ 1,742 | $ 2,805 |
[1] | Derived from audited financial statements.

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
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