Note 2 - Securities Available for Sale (Details Textual) Pure in Thousands |
3 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2026
USD ($)
|
Mar. 31, 2025
USD ($)
|
Dec. 31, 2025
USD ($)
|
|
| Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss | $ 285,000 | $ 326,000 | |
| Debt Securities, Available-for-Sale, Excluding Accrued Interest | $ 76,717,000 | $ 78,719,000 | |
| Number of Securities of One Issuer Greater Than Ten Percent of Members' Equity | 0 | 0 | |
| Proceeds from Sale of Debt Securities, Available-for-Sale | $ 0 | $ 0 | |
| Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] | Interest Receivable | Interest Receivable | |
| Asset Pledged as Collateral [Member] | |||
| Debt Securities, Available-for-Sale, Excluding Accrued Interest | $ 0 | $ 0 | |
| X | ||||||||||
- Definition The number of securities of any one issuer that is greater than 10% of members' equity. No definition available.
|
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Indicates line item in statement of financial position that includes accrued interest, after allowance for credit loss, on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|