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v3.26.1

Employee benefit and stock plans - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended
--- | --- | --- | ---
Jan. 30, 2026 | Jan. 31, 2025 | Mar. 31, 2026 | Mar. 31, 2025
Supplemental Executive Retirement Plans ("SERP") |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |
Salaries and employee benefits expense |  |  | $ 700 | $ 700
FNCB Merger |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |
Common stock available for grant as awards |  |  | 12,649 |
2017 Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |
Net compensation expense |  |  |  | 186
2023 Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |
Net compensation expense |  |  | $ 218 | $ 279
Performance-based restricted stock awards | 2023 Plan | Share-Based payment arrangement, Employee |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |
Granted shares |  |  | 0 | 40,237
Performance-based restricted stock awards | 2023 Plan | Minimum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |
Shares or units vesting period |  |  | 2 years |
Cumulative diluted earnings per share period used for conditions for vesting of performance-based restricted stock units |  |  | 2 years |
Average return on equity period used for conditions for vesting of performance-based restricted stock units |  |  | 2 years |
Performance-based restricted stock awards | 2023 Plan | Maximum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |
Shares or units vesting period |  |  | 3 years |
Cumulative diluted earnings per share period used for conditions for vesting of performance-based restricted stock units |  |  | 3 years |
Average return on equity period used for conditions for vesting of performance-based restricted stock units |  |  | 3 years |
Time based restricted stock awards | 2023 Plan | Share-Based payment arrangement, Employee |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |
Granted shares |  |  | 0 | 13,917
Restricted Stock | 2017 Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |
Unrecognized compensation expense |  |  | $ 2,300 |
Remaining period over which the shares/cost will be expensed |  |  | 3 years 7 months 6 days |
Restricted Stock | 2023 Plan | Share-Based payment arrangement, Nonemployee | Director |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |
Granted shares | 4,455 | 3,080 |  |
Stock awards fair value | $ 50.61 | $ 53.64 |  |
Grants in period, Per director shares | 297 |  |  |
Net compensation expense |  |  | $ 56 | $ 56
Restricted stock and restricted stock units in aggregate issued in 2025 | 2023 Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |
Shares or units vesting period |  |  | 3 years |
Restricted stock and restricted stock units in aggregate issued in 2024 | 2023 Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |
Shares or units vesting period |  |  | 5 years |
Restricted stock and restricted stock units in aggregate issued in 2023 | 2023 Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |
Shares or units vesting period |  |  | 7 years |

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