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4. Premises and Equipment (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Abstract]      
Depreciation expense $ 2,300 $ 2,300 $ 2,100
Net losses on the sale of and write-downs on premises and equipment $ 239 $ (544) $ 0