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Securities (Available-for-Sale Securities, Continuous Unrealized Loss Position, Fair Value ) (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Schedule of Available-for-sale Securities [Line Items]    
Debt Securities, 12 Months or Less - Fair Value $ 14,027 $ 11,613
Debt Securities, More than 12 Months - Fair Value 3,570 1,278
Debt Securities - Total Fair Value 17,597 12,891
Debt Securities, 12 Months or Less - Unrealized Losses 467 73
Debt Securities, More than 12 Months - Unrealized Losses 184 67
Debt Securities - Total Unrealized Losses 651 140
Residential Mortgage-backed securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Debt Securities, 12 Months or Less - Fair Value 8,073 6,126
Debt Securities, More than 12 Months - Fair Value 3,570 1,278
Debt Securities - Total Fair Value 11,643 7,404
Debt Securities, 12 Months or Less - Unrealized Losses 196 60
Debt Securities, More than 12 Months - Unrealized Losses 184 67
Debt Securities - Total Unrealized Losses 380 127
Corporate Debt Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Debt Securities, 12 Months or Less - Fair Value 5,954 5,487
Debt Securities - Total Fair Value 5,954 5,487
Debt Securities, 12 Months or Less - Unrealized Losses 271 13
Debt Securities - Total Unrealized Losses $ 271 $ 13