v3.19.1
Investment Securities - Unrealized Losses (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
security
Dec. 31, 2017
USD ($)
Fair Value    
AFS, Less than 12 Months, Fair Value $ 2,790 $ 20,686
AFS,12 Months or Longer, Fair Value 39,259 22,561
AFS,Total, Fair Value 42,049 43,247
Unrealized Losses    
AFS, Less than 12 months, Unrealized Losses (9) (194)
AFS, 12 months or longer, Unrealized Losses (890) (401)
AFS, Total, Unrealized Losses (899) (595)
U.S. government-sponsored enterprises    
Fair Value    
AFS, Less than 12 Months, Fair Value 496 8,967
AFS,12 Months or Longer, Fair Value 16,864 7,906
AFS,Total, Fair Value 17,360 16,873
Unrealized Losses    
AFS, Less than 12 months, Unrealized Losses (2) (26)
AFS, 12 months or longer, Unrealized Losses (134) (94)
AFS, Total, Unrealized Losses $ (136) (120)
Number of securities in a loss position for greater than twelve months | security 9  
Municipal    
Fair Value    
AFS, Less than 12 Months, Fair Value $ 0 515
AFS,12 Months or Longer, Fair Value 501 0
AFS,Total, Fair Value 501 515
Unrealized Losses    
AFS, Less than 12 months, Unrealized Losses 0 (3)
AFS, 12 months or longer, Unrealized Losses (16) 0
AFS, Total, Unrealized Losses $ (16) (3)
Number of securities in a loss position for greater than twelve months | security 1  
Corporate    
Fair Value    
AFS, Less than 12 Months, Fair Value $ 0 0
AFS,12 Months or Longer, Fair Value 857 1,010
AFS,Total, Fair Value 857 1,010
Unrealized Losses    
AFS, Less than 12 months, Unrealized Losses 0 0
AFS, 12 months or longer, Unrealized Losses (51) (50)
AFS, Total, Unrealized Losses $ (51) (50)
Number of securities in a loss position for greater than twelve months | security 2  
Mortgage-backed securities    
Fair Value    
AFS, Less than 12 Months, Fair Value $ 2,294 11,204
AFS,12 Months or Longer, Fair Value 21,037 13,645
AFS,Total, Fair Value 23,331 24,849
Unrealized Losses    
AFS, Less than 12 months, Unrealized Losses (7) (165)
AFS, 12 months or longer, Unrealized Losses (689) (257)
AFS, Total, Unrealized Losses $ (696) $ (422)
Number of securities in a loss position for greater than twelve months | security 15