Note 18 - Long-Term Borrowings - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Junior subordinated debentures owed to unconsolidated subsidiary trusts | $ 22,603 | $ 15,298 |
| Subordinated Debentures | 71,505 | 71,435 |
| Total long-term borrowings | 94,108 | 86,733 |
| TSEO Statutory Trust I [Member] | ||
| Junior subordinated debentures owed to unconsolidated subsidiary trusts | 2,631 | 2,619 |
| Maple Leaf Financial Statutory Trust II [Member] | ||
| Junior subordinated debentures owed to unconsolidated subsidiary trusts | 8,243 | 8,187 |
| Cortland Statutory Trust I [Member] | ||
| Junior subordinated debentures owed to unconsolidated subsidiary trusts | 4,506 | 4,492 |
| Middlefield Statutory Trust I [Member] | ||
| Junior subordinated debentures owed to unconsolidated subsidiary trusts | $ 7,223 | $ 0 |
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- Definition Including the current and noncurrent portions, the carrying value of junior subordinated long-term debt owed to unconsolidated subsidiary trusts as of the balance sheet date. Such debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets and was initially scheduled to be repaid after one year or beyond the normal operating cycle if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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