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Other Real Estate Owned - Gross Gains, Gross Losses and Write-downs of OREO (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Note 6 - Other Real Estate Owned - Gross Gains, Gross Losses and Write-downs of OREO (Details)      
Gross gains $ 0 $ 0 $ 27
Gross losses (5) 0 0
Reductions to carrying value (31) 0 0
Total income $ (36) $ 0 $ 27