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Investment Securities (Investment in Debt Securities Available for Sale Gross Unrealized Loss) (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value $ 6,003 $ 822
Less than 12 Months, Gross Unrealized Losses (46) (4)
12 Months or More, Fair Value 152 10,676
12 Months or More, Gross Unrealized Losses (1) (130)
Fair Value 6,155 11,498
Gross Unrealized Losses (47) (134)
Municipal bonds [Member]    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value 3,757 399
Less than 12 Months, Gross Unrealized Losses (32) (1)
Fair Value 3,757 399
Gross Unrealized Losses (32) (1)
Mortgage-backed securities [Member]    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value 2,246 423
Less than 12 Months, Gross Unrealized Losses (14) (3)
12 Months or More, Fair Value 152 10,676
12 Months or More, Gross Unrealized Losses (1) (130)
Fair Value 2,398 11,099
Gross Unrealized Losses $ (15) $ (133)