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Fair Value Measurements (Assets and Liabilities Measured on Recurring Basis) (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value assets transferred from , Level 1 to level 2 $ 0 $ 0
Fair value assets transferred from , Level 2 to level 1 0 0
Fair value assets transferred in 0 0
Fair value assets transferred out 0 0
Investment securities:    
Investment securities available for sale, at fair value 139,568 122,791
Equity securities, at fair value 1,395 1,342
Total 140,963 124,133
Fair Value, Inputs, Level 2 [Member]    
Investment securities:    
Investment securities available for sale, at fair value 139,568 122,791
Equity securities, at fair value 1,395 1,342
Total 140,963 124,133
U.S. Government Agencies [Member]    
Investment securities:    
Investment securities available for sale, at fair value 23,537 23,826
U.S. Government Agencies [Member] | Fair Value, Inputs, Level 2 [Member]    
Investment securities:    
Investment securities available for sale, at fair value 23,537 23,826
Mortgage-backed [Member]    
Investment securities:    
Investment securities available for sale, at fair value 116,031 98,965
Mortgage-backed [Member] | Fair Value, Inputs, Level 2 [Member]    
Investment securities:    
Investment securities available for sale, at fair value $ 116,031 $ 98,965