Securities (Amortized Cost and Fair Value of Securities by Contractual Maturity) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Securities [Abstract]
Due in one year or less, Held to Maturity, Amortized Cost	$ 2,941
Due after one year through five years, Held to Maturity, Amortized Cost	14,630
Due after five years through ten years, Held to Maturity, Amortized Cost	5,204
Due after ten years, Held to Maturity, Amortized Cost	251
Total securities, Held to Maturity, Amortized Cost	23,026	$ 35,733
Due in one year or less, Held to Maturity, Fair Value	2,960
Due after one year through five years, Held to Maturity, Fair Value	15,403
Due after five years through ten years, Held to Maturity, Fair Value	5,467
Due after ten years, Held to Maturity, Fair Value	288
Securities Held to Maturity, Fair Value	24,118	36,633
Due in one year or less, Available for Sale, Amortized Cost	31,603
Due after one year through five years, Available for Sale, Amortized Cost	80,130
Due after five years through ten years, Available for Sale, Amortized Cost	88,038
Due after ten years, Available for Sale, Amortized Cost	24,935
Securities Available for Sale, Amortized Cost	224,706	183,269
Due in one year or less, Available for Sale, Fair Value	31,763
Due after one year through five years, Available for Sale, Fair Value	82,863
Due after five years through ten years, Available for Sale, Fair Value	93,204
Due after ten years, Available for Sale, Fair Value	25,823
Securities Available for Sale, Fair Value	$ 233,653	$ 186,969