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Investment Securities (Investment in Debt Securities Available for Sale Gross Unrealized Loss) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Schedule of Investments [Line Items]    
Less than Twelve Months, Fair Value $ 822 $ 2,267
Less than 12 Months, Gross Unrealized Losses (4) (10)
12 Months or More, Fair Value 10,676 29,325
12 Months or More, Gross Unrealized Losses (130) (884)
Fair Value 11,498 31,592
Gross Unrealized Losses (134) (894)
U.S. Government Agencies [Member]    
Schedule of Investments [Line Items]    
12 Months or More, Fair Value   1,961
12 Months or More, Gross Unrealized Losses   (51)
Fair Value   1,961
Gross Unrealized Losses   (51)
Municipal bonds [Member]    
Schedule of Investments [Line Items]    
Less than Twelve Months, Fair Value 399 1,531
Less than 12 Months, Gross Unrealized Losses (1) (5)
12 Months or More, Fair Value   4,299
12 Months or More, Gross Unrealized Losses   (120)
Fair Value 399 5,830
Gross Unrealized Losses (1) (125)
Mortgage-backed securities [Member]    
Schedule of Investments [Line Items]    
Less than Twelve Months, Fair Value 423 736
Less than 12 Months, Gross Unrealized Losses (3) (5)
12 Months or More, Fair Value 10,676 23,065
12 Months or More, Gross Unrealized Losses (130) (713)
Fair Value 11,099 23,801
Gross Unrealized Losses $ (133) $ (718)