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Note 5 - Loans - Analysis of Allowance for Loans Losses by Portfolio Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Balance | $ 169,959 | $ 158,092 | $ 164,458 | $ 153,317 | $ 153,317
Charge-offs | (9,350) | (3,427) | (22,942) | (9,016) | (13,684)
Recoveries | 288 | 655 | 1,503 | 1,298 |
Provision for credit losses on loans | 9,338 | 5,435 | 27,216 | 15,156 |
Balance | 170,235 | 160,755 | 170,235 | 160,755 | 164,458
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Charge-offs |  |  | (17,209) |  | (12,115)
Commercial Real Estate Portfolio Segment [Member] | Commercial, Financial, and Agricultural Loans [Member] |  |  |  |  |
Balance | 53,022 | 56,216 | 55,330 | 52,121 | 52,121
Charge-offs | (7,947) | (3,020) | (17,209) | (8,217) |
Recoveries | 237 | 616 | 1,367 | 1,221 |
Provision for credit losses on loans | 12,785 | 3,226 | 18,609 | 11,913 |
Balance | 58,097 | 57,038 | 58,097 | 57,038 | 55,330
Real Estate Portfolio Segment[Member] |  |  |  |  |
Balance | 68,060 | 59,684 | 67,726 | 55,126 | 55,126
Charge-offs | (1,294) | (252) | (5,445) | (438) |
Recoveries | 0 | 2 | 1 | 8 |
Provision for credit losses on loans | 217 | 5,322 | 4,701 | 10,060 |
Balance | 66,983 | 64,756 | 66,983 | 64,756 | 67,726
Real Estate Portfolio Segment[Member] | Construction Loans [Member] |  |  |  |  |
Balance | 46,423 | 40,450 | 38,597 | 44,658 | 44,658
Charge-offs | 0 | 0 | (46) | 0 | 0
Recoveries | 30 | 0 | 30 | 8 |
Provision for credit losses on loans | (4,373) | (3,092) | 3,499 | (7,308) |
Balance | 42,080 | 37,358 | 42,080 | 37,358 | 38,597
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] |  |  |  |  |
Balance | 20,927 | 19,039 | 22,302 | 17,702 | 17,702
Charge-offs | (688) | 0 | (4,038) | (100) | (237)
Recoveries | 0 | 0 | 1 | 6 |
Provision for credit losses on loans | (62) | 964 | 1,912 | 2,395 |
Balance | 20,177 | 20,003 | 20,177 | 20,003 | 22,302
Real Estate Portfolio Segment[Member] | One to Four Family [Member] |  |  |  |  |
Balance | 14,944 | 13,629 | 14,096 | 12,029 | 12,029
Charge-offs | (235) | (252) | (286) | (338) | (761)
Recoveries | 0 | 2 | 0 | 2 |
Provision for credit losses on loans | 859 | 1,331 | 1,758 | 3,017 |
Balance | 15,568 | 14,710 | 15,568 | 14,710 | 14,096
Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member] |  |  |  |  |
Balance | 32,189 | 27,016 | 31,328 | 25,395 | 25,395
Charge-offs | (371) | 0 | (1,121) | 0 |
Recoveries | 0 | 0 | 0 | 0 |
Provision for credit losses on loans | (580) | 3,027 | 1,031 | 4,648 |
Balance | 31,238 | 30,043 | 31,238 | 30,043 | 31,328
Consumer Portfolio Segment [Member] |  |  |  |  |
Balance | 2,454 | 1,742 | 2,805 | 1,412 | 1,412
Charge-offs | (109) | (155) | (242) | (361) | (571)
Recoveries | 21 | 37 | 105 | 61 |
Provision for credit losses on loans | 709 | (21) | 407 | 491 |
Balance | $ 3,075 | $ 1,603 | $ 3,075 | $ 1,603 | $ 2,805

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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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