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Available-for-Sale Securities (Details 2) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Summary of securities with unrealized losses    
Less than 12 Months, Fair Value $ 12,447 $ 41,785
Less than 12 Months, Unrealized Losses (68) (350)
12 Months or Longer, Fair Value 46,524 17,558
12 Months or Longer, Unrealized Losses (1,112) (427)
Total Fair Value 58,971 59,343
Total Unrealized Losses (1,180) (777)
U.S. Treasury and Government agencies [Member]    
Summary of securities with unrealized losses    
Less than 12 Months, Fair Value 1,417 5,675
Less than 12 Months, Unrealized Losses (8) (27)
12 Months or Longer, Fair Value 7,870 2,559
12 Months or Longer, Unrealized Losses (106) (42)
Total Fair Value 9,287 8,234
Total Unrealized Losses (114) (69)
Mortgage-backed securities [Member]    
Summary of securities with unrealized losses    
Less than 12 Months, Fair Value 10,613 35,205
Less than 12 Months, Unrealized Losses (54) (319)
12 Months or Longer, Fair Value 37,495 14,673
12 Months or Longer, Unrealized Losses (985) (371)
Total Fair Value 48,108 49,878
Total Unrealized Losses (1,039) (690)
State and political subdivisions [Member]    
Summary of securities with unrealized losses    
Less than 12 Months, Fair Value 417 905
Less than 12 Months, Unrealized Losses (6) (4)
12 Months or Longer, Fair Value 1,159 326
12 Months or Longer, Unrealized Losses (21) (14)
Total Fair Value 1,576 1,231
Total Unrealized Losses $ (27) $ (18)