Note 9 - Derivative Financial Instruments - Offsetting of Derivative Instruments (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
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|---|---|---|---|---|---|---|---|---|
| Total | $ 11,528 | $ 11,660 | ||||||
| Total, offset | 0 | 0 | ||||||
| Total, net amounts in Balance Sheet | 11,528 | 11,660 | ||||||
| Total, not offset by financial instruments | 0 | 0 | ||||||
| Total, not offset, cash collateral | [1],[2] | (10,115) | (8,729) | |||||
| Total, net | 1,413 | 2,931 | ||||||
| Repurchase agreements | 18,575 | 11,183 | ||||||
| Repurchase agreements, offset | 0 | 0 | ||||||
| Repurchase agreements, net amounts in Balance Sheet | 18,575 | 11,183 | ||||||
| Repurchase agreements, not offset by financial instruments | (16,447) | (11,183) | ||||||
| Repurchase agreements, not offset, cash collateral | [1],[2] | 0 | 0 | |||||
| Repurchase agreements, net | 2,128 | 0 | ||||||
| Total | 30,103 | 22,843 | ||||||
| Total, offset | 0 | 0 | ||||||
| Total, net amounts in Balance Sheet | 30,103 | 22,843 | ||||||
| Total, not offset by financial instruments | (16,447) | (11,183) | ||||||
| Total, not offset, cash collateral | [1],[2] | 0 | 0 | |||||
| Total, net | 13,656 | 11,660 | ||||||
| Interest Rate Swap [Member] | ||||||||
| Interest rate swaps | [3] | 11,528 | 11,660 | |||||
| Interest rate swaps, offset | 0 | 0 | ||||||
| Interest rate swaps - gross assets | 11,528 | 11,660 | ||||||
| Interest rate swaps, not offset by financial instruments | 0 | 0 | ||||||
| Interest rate swaps, not offset, cash collateral | [1],[2] | (10,115) | (8,729) | |||||
| Interest rate swaps, net | 1,413 | 2,931 | ||||||
| Interest rate swaps | [3] | 11,528 | 11,660 | |||||
| Interest rate swaps, offset | 0 | 0 | ||||||
| Interest rate swaps - gross liabilities | 11,528 | 11,660 | ||||||
| Interest rate swaps, not offset by financial instruments | 0 | 0 | ||||||
| Interest rate swaps, not offset, cash collateral | [1],[2] | 0 | 0 | |||||
| Interest rate swaps, net | $ 11,528 | $ 11,660 | ||||||
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- Definition Fair value, after effect of master netting arrangement and deduction of obligation to return financial collateral not offset and financial instrument subject to master netting arrangement not offset, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and contract can be net settled by means outside contract or delivery of asset. Excludes derivative not subject to master netting arrangement or similar agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets, securities purchased under agreements to resell and securities borrowed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of obligation to return securities collateral under master netting arrangements that have not been offset against derivative assets, securities purchased under agreements to resell and securities borrowed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, before effects of master netting arrangements, of derivative assets, securities purchased under agreements to resell and securities borrowed. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of liability associated with derivative assets, securities purchased under agreements to resell and securities borrowed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, after effect of master netting arrangement and deduction of obligation to return financial collateral not offset and financial instrument subject to master netting arrangement not offset, of derivative asset, security purchased under agreement to resell, and security borrowed. Excludes asset not subject to master netting arrangement or similar agreement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, after effect of master netting arrangement, of derivative asset, security purchased under agreement to resell, and security borrowed. Includes financial instrument subject to master netting arrangement not elected or qualified to offset. Excludes asset not subject to master netting arrangement or similar agreement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of obligation to return securities collateral under master netting arrangements that have not been offset against derivative assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of right to receive securities collateral under master netting arrangements that have not been offset against derivative liabilities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Fair value, after effect of master netting arrangement and deduction of obligation to return financial collateral not offset and financial instrument subject to master netting arrangement not offset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and contract can be net settled by means outside contract or delivery of asset. Excludes derivative not subject to master netting arrangement or similar agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of asset associated with derivative liabilities, securities sold under agreements to repurchase and securities loaned. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities, securities sold under agreements to repurchase and securities loaned. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of right to receive securities collateral under master netting arrangements that have not been offset against derivative liabilities, securities sold under agreements to repurchase and securities loaned. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, before effects of master netting arrangements, of derivative liabilities, securities sold under agreements to repurchase and securities loaned. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, after effect of master netting arrangement and deduction of obligation to return financial collateral not offset and financial instrument subject to master netting arrangement not offset, of derivative liability, security sold under agreement to repurchase, and security loaned. Excludes liability not subject to master netting arrangement or similar agreement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, after effect of master netting arrangement, of derivative liability, security sold under agreement to repurchase, and security loaned. Includes financial instrument subject to master netting arrangement not elected or qualified to offset. Excludes liability not subject to master netting arrangement or similar agreement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of asset associated with funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of right to receive cash collateral under master netting arrangements that have not been offset against securities sold under agreement to repurchase. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of right to receive securities collateral under master netting arrangements that have not been offset against securities sold under agreement to repurchase. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount, after effect of master netting arrangement and deduction of obligation to return financial collateral not offset and financial instrument subject to master netting arrangement not offset, of fund outstanding borrowed in form of security repurchase agreement for sale and repurchase of identical or substantially same security at date certain for specified price. Excludes security sold under agreement to repurchase not subject to master netting arrangement or similar agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after effect of master netting arrangement, of fund outstanding borrowed in form of security repurchase agreement for sale and repurchase of identical or substantially same security at date certain for specified price. Includes financial instrument subject to master netting arrangement not elected or qualified to offset. Excludes security sold under agreement to repurchase not subject to master netting arrangement or similar agreement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Details
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