Investment Securities (Investments Classified by Contractual Maturity Date) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Investment Securities [Abstract]
Held to Maturity, Due after one year through five years, Amortized Cost	$ 20,077
Held to Maturity, Due after five years through ten years, Amortized Cost	30,280
Held to Maturity, Due after ten years, Amortized Cost	24,478
Held to Maturity, Total investment securities, Amortized Cost	74,835	$ 67,829
Held to Maturity, Due after one year through five years, Fair Value	20,947
Held to Maturity, Due after five years through ten years, Fair Value	30,749
Held to Maturity, Due after ten years, Fair Value	24,707
Held-to-maturity, Total investment securities, Fair Value	76,403	68,431
Available for Sale, Due in one year or less, Amortized Cost	16,704
Available for Sale, Due after one year through five years, Amortized Cost	61,561
Available for Sale, Due after five years through ten years, Amortized Cost	24,278
Available for Sale, Due after ten years, Amortized Cost	45,102
Available-for-sale Securities, Amortized Cost	147,645	153,559
Available for Sale, Due in one year or less, Fair Value	16,684
Available for Sale, Due after one year through five years, Fair Value	61,787
Available for Sale, Due after five years through ten years, Fair Value	24,567
Available for Sale, Due after ten years, Fair Value	45,267
Available for Sale, Total investment securities, Fair Value	$ 148,305	$ 152,379