Note 2 - Securities (Details Textual) - USD ($) |
3 Months Ended | 6 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
Sep. 30, 2022 |
Sep. 30, 2021 |
Sep. 30, 2022 |
Sep. 30, 2021 |
Dec. 31, 2021 |
|
| Debt Securities, Available-for-sale, Total | $ 125,267,000 | $ 125,267,000 | $ 125,267,000 | $ 100,950,000 | |||
| Proceeds from Sale of Debt Securities, Available-for-Sale | 0 | $ 0 | 0 | $ 0 | 0 | $ 6,769,000 | |
| Debt Securities, Available-for-Sale, Realized Gain (Loss), Total | 0 | $ 131,000 | 0 | $ 131,000 | |||
| Asset Pledged as Collateral [Member] | |||||||
| Debt Securities, Available-for-sale, Total | $ 0 | $ 0 | $ 0 | $ 0 | |||
| X | ||||||||||
- Definition Amount 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 realized gain (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/2009/role/commonPracticeRef
|
| 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://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|