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, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Balance | $ 173,905 | $ 165,034 | $ 171,683 | $ 164,458 | $ 164,458 |
| Charge-offs | (4,869) | (7,502) | (13,422) | (13,594) | (31,166) |
| Recoveries | 1,122 | 1,018 | 1,335 | 1,214 | |
| Provision for credit losses on loans | 11,695 | 11,409 | 22,257 | 17,881 | |
| Balance | 181,853 | 169,959 | 181,853 | 169,959 | 171,683 |
| Commercial Real Estate Portfolio Segment [Member] | |||||
| Charge-offs | (12,365) | (24,904) | |||
| Commercial Real Estate Portfolio Segment [Member] | Commercial, Financial, and Agricultural Loans [Member] | |||||
| Balance | 59,508 | 52,518 | 63,620 | 55,330 | 55,330 |
| Charge-offs | (4,074) | (6,849) | (12,365) | (9,263) | |
| Recoveries | 667 | 959 | 845 | 1,129 | |
| Provision for credit losses on loans | 1,144 | 6,394 | 5,145 | 5,826 | |
| Balance | 57,245 | 53,022 | 57,245 | 53,022 | 63,620 |
| Real Estate Portfolio Segment[Member] | |||||
| Balance | 83,460 | 68,429 | 82,543 | 67,726 | 67,726 |
| Charge-offs | (5) | (580) | (96) | (4,152) | |
| Recoveries | 396 | 1 | 396 | 1 | |
| Provision for credit losses on loans | 4,565 | 210 | 5,573 | 4,485 | |
| Balance | 88,416 | 68,060 | 88,416 | 68,060 | 82,543 |
| Real Estate Portfolio Segment[Member] | Construction Loans [Member] | |||||
| Balance | 27,934 | 41,809 | 22,432 | 38,597 | 38,597 |
| Charge-offs | (711) | 0 | (711) | (46) | (46) |
| Recoveries | 0 | 0 | 0 | 0 | |
| Provision for credit losses on loans | 6,204 | 4,614 | 11,706 | 7,872 | |
| Balance | 33,427 | 46,423 | 33,427 | 46,423 | 22,432 |
| Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] | |||||
| Balance | 18,440 | 21,330 | 18,833 | 22,302 | 22,302 |
| Charge-offs | 0 | (560) | 0 | (3,351) | (4,038) |
| Recoveries | 390 | 1 | 390 | 1 | |
| Provision for credit losses on loans | (819) | 156 | (1,212) | 1,975 | |
| Balance | 18,011 | 20,927 | 18,011 | 20,927 | 18,833 |
| Real Estate Portfolio Segment[Member] | One to Four Family [Member] | |||||
| Balance | 24,641 | 15,246 | 24,739 | 14,096 | 14,096 |
| Charge-offs | (5) | (20) | (96) | (51) | (303) |
| Recoveries | 4 | 0 | 4 | 0 | |
| Provision for credit losses on loans | 258 | (282) | 251 | 899 | |
| Balance | 24,898 | 14,944 | 24,898 | 14,944 | 24,739 |
| Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member] | |||||
| Balance | 40,379 | 31,853 | 38,971 | 31,328 | 31,328 |
| Charge-offs | 0 | 0 | 0 | (750) | (1,168) |
| Recoveries | 2 | 0 | 2 | 0 | |
| Provision for credit losses on loans | 5,126 | 336 | 6,534 | 1,611 | |
| Balance | 45,507 | 32,189 | 45,507 | 32,189 | 38,971 |
| Consumer Portfolio Segment [Member] | |||||
| Balance | 3,003 | 2,278 | 3,088 | 2,805 | 2,805 |
| Charge-offs | (79) | (73) | (250) | (133) | (707) |
| Recoveries | 59 | 58 | 94 | 84 | |
| Provision for credit losses on loans | (218) | 191 | (167) | (302) | |
| Balance | $ 2,765 | $ 2,454 | $ 2,765 | $ 2,454 | $ 3,088 |