Investment Securities (Investments Classified by Contractual Maturity Date) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Investment Securities [Abstract]
Held to Maturity, Due after one year through five years, Amortized Cost	$ 20,021
Held to Maturity, Due after five years through ten years, Amortized Cost	27,530
Held to Maturity, Due after ten years, Amortized Cost	18,099
Held to Maturity, Total investment securities, Amortized Cost	65,650	$ 67,829
Held to Maturity, Due after one year through five years, Fair Value	20,802
Held to Maturity, Due after five years through ten years, Fair Value	27,778
Held to Maturity, Due after ten years, Fair Value	18,217
Held-to-maturity, Total investment securities, Fair Value	66,797	68,431
Available for Sale, Due in one year or less, Amortized Cost	18,669
Available for Sale, Due after one year through five years, Amortized Cost	62,804
Available for Sale, Due after five years through ten years, Amortized Cost	34,738
Available for Sale, Due after ten years, Amortized Cost	24,904
Available-for-sale Securities, Amortized Cost	141,115	153,559
Available for Sale, Due in one year or less, Fair Value	18,657
Available for Sale, Due after one year through five years, Fair Value	62,906
Available for Sale, Due after five years through ten years, Fair Value	34,935
Available for Sale, Due after ten years, Fair Value	24,875
Available for Sale, Total investment securities, Fair Value	$ 141,373	$ 152,379