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v3.26.1

Subordinated debt (Details) $ in Thousands |  |  |  |  | 3 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2025 USD ($) item | Jun. 06, 2025 USD ($) | Jun. 01, 2025 | Jun. 01, 2020 | Mar. 31, 2026 USD ($) | Mar. 31, 2025 USD ($) | Dec. 31, 2025 USD ($)
Debt Instrument |  |  |  |  |  |  |
Subordinated debt |  |  |  |  | $ 83,289 |  | $ 83,187
Unamortized debt issuance costs |  |  |  |  | 1,700 |  | 1,800
Interest expense on subordinated debt |  |  |  |  | 1,749 | $ 443 |
Junior subordinated debt |  |  |  |  | 8,167 |  | 8,140
Interest on junior subordinated debt |  |  |  |  | 173 | 186 |
Subordinate Notes Due 2030 |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Aggregate principal amount | $ 33,000 |  |  |  |  |  |
Interest rate | 5.375% |  |  | 5.375% |  |  |
Duration interest rate in effect |  |  |  | 5 years |  |  |
Floated interest rate |  |  | 9.08% |  |  |  |
Junior subordinated debt | FNCB |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Aggregate principal amount | $ 10,300 |  |  |  |  |  |
Fair market value | $ 8,000 |  |  |  |  |  |
Trust preferred securities | FNCB |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] | us-gaap:SecuredOvernightFinancingRateSofrMember |  |  |  |  |  |
Basis spread adjustment | 0.26161% |  |  |  |  |  |
Percentage of margin | 1.67% |  |  |  |  |  |
Maximum number of consecutive quarters until which interest payment can be deferred relating to the debt instrument | item | 20 |  |  |  |  |  |
Junior subordinated debt |  |  |  |  | 8,200 |  | $ 8,100
Interest on junior subordinated debt |  |  |  |  | $ 173 | $ 186 |
Subordinate Notes Due 2035 |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Aggregate principal amount |  | $ 85,000 |  |  |  |  |
Interest rate |  | 7.75% |  |  |  |  |
Percentage of debt redeemed |  | 100.00% |  |  |  |  |
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] |  | us-gaap:SecuredOvernightFinancingRateSofrMember |  |  |  |  |
Basis points added to the reference rate to compute the variable rate on the debt instrument |  | 411 |  |  |  |  |
From and including June 15, 2030, to but excluding the maturity date | Subordinate Notes Due 2035 |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Interest rate |  | 7.75% |  |  |  |  |

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