Note 5 - Fair Value Presentation - Summary of Assets and Liabilities Measured on Nonrecurring Basis (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Other real estate owned, net | $ 1,094 | $ 1,697 |
| Fair Value, Nonrecurring [Member] | ||
| Other real estate owned, net | 1,094 | 1,697 |
| Property held for sale | 2,745 | 2,728 |
| Assets, fair value | 3,839 | 4,425 |
| Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member] | ||
| Other real estate owned, net | 0 | 0 |
| Property held for sale | 0 | 0 |
| Assets, fair value | 0 | 0 |
| Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] | ||
| Other real estate owned, net | 0 | 0 |
| Property held for sale | 0 | 0 |
| Assets, fair value | 0 | 0 |
| Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | ||
| Other real estate owned, net | 1,094 | 1,697 |
| Property held for sale | 2,745 | 2,728 |
| Assets, fair value | $ 3,839 | $ 4,425 |