Investment Securities (Securities by Contractual Maturity) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Amortized Cost
Due in one year or less	$ 5,047
Due after one year through five years	28,103
Due after five years through ten years	33,831
Due after ten years	65,761
Amortized Cost	132,742	$ 155,368
Fair Value
Due in one year or less	5,041
Due after one year through five years	29,194
Due after five years through ten years	34,088
Due after ten years	66,800
Total	$ 135,123	155,782
Yield
Due in one year or less	1.11%
Due after one year through five years	2.38%
Due after five years through ten years	1.77%
Due after ten years	2.15%
Total	2.07%
Carrying Value
Due in one year or less	$ 18,359
Due after one year through five years	6,279
Due after five years through ten years	16,842
Due after ten years	46,331
Carrying Value	87,811	76,620
Fair Value
Due in one year or less	18,411
Due after one year through five years	6,464
Due after five years through ten years	17,565
Due after ten years	48,295
Total	$ 90,735	$ 78,223
Yield
Due in one year or less	2.43%
Due after one year through five years	4.56%
Due after five years through ten years	2.87%
Due after ten years	2.81%
Total	2.87%