Securities (Investments Classified by Contractual Maturity Date) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Due in one year or less, Amortized Cost	$ 145
Due after one years through five years, Amortized cost	25,201
Due after five years through ten years, Amortized cost	43,527
Due after ten years, Amortized cost	59,227
Total AFS, excluding MBS and marketable equity securities, Amortized cost	128,100
Mortgage-backed securities and marketable equity securities, Amortized cost	281,717
Total securities available for sale, Amortized cost	409,817
Due in one year or less, Fair value	149
Due after one year through five years, Fair value	25,493
Due after five years through ten years, Fair value	43,546
Due after ten years, Fair value	56,539
Total AFS, excluding MBS and marketable equity securities, Fair value	125,727
Mortgage-backed securities and marketable equity securities, Fair value	273,952
Total securities available for sale, Fair value	399,679	384,957
Securities held to maturity, Due after one year through five years, Amortized cost	3,058
Securities held to maturity, Due after five years through ten years, Amortized cost	7,906
Securities held to maturity, Due after ten years, Amortized cost	24,402
Total HTM, excluding MBS, Amortized cost	35,366
Total securities held to maturity, Amortized cost	54,021	41,738
Securities held to maturity, Due after one year through five years, Fair value	3,024
Securities held to maturity, Due after five years through ten years, Fair value	7,811
Securities held to maturity, Due after ten years, Fair value	23,773
Total HTM, excluding MBS, Fair value	34,608
Total securities held to maturity, Fair value	53,458	40,217
State And Municipal Securities [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Total securities held to maturity, Fair value	34,608	26,351
Mortgage-backed securities - agency/residential [Member]
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Securities held to maturity, Amortized cost	18,655
Securities held to maturity, Fair value	18,850
Total securities held to maturity, Fair value	$ 18,850	$ 13,866