Note 8 - Fair Value - Assets Measured on a Nonrecurring Basis (Details) - Other Real Estate Owned [Member] - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Expected Sales Costs to Appraised Value, Percentage | 10.00% | |
| Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member] | ||
| Other real estate owned | $ 1,665 | $ 1,673 |
| Other real estate owned | $ 1,665 | $ 1,673 |
| Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member] | Minimum [Member] | ||
| Expected Sales Costs to Appraised Value, Percentage | 0.00% | 0.00% |
| Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member] | Maximum [Member] | ||
| Expected Sales Costs to Appraised Value, Percentage | 10.00% | 10.00% |
| Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member] | Weighted Average [Member] | ||
| Expected Sales Costs to Appraised Value, Percentage | 5.00% | 5.00% |