Investment Securities (Investments Classified by Maturity Date) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Schedule of Investments [Line Items]
Investment Securities Available-for-Sale: Due in one year or less, amortized cost	$ 9,738
Investment Securities Available-for-Sale: Due in one year or less, fair value	9,780
Investment Securities Available-for-Sale: Due after one year through five years, amortized cost	63,206
Investment Securities Available-for-Sale: Due after on eyear through five years, fair value	64,802
Investment Securities Available-for-Sale: Due after five years through ten years, amortized cost	123,765
Investment Securities Available-for-Sale: Dur after five years through ten years, fair value	126,024
Investment Securities Available-for-Sale: Due after ten years, amortized cost	60,934
Investment Securities Available-for-Sale: Due after ten years, fair value	60,588
Available-for-sale Securities, Amortized Cost Basis	319,147	482,440
Available-for-sale Securities	323,070	496,815
Investment Securities Held-to-Maturity: Due in one year or less, amortized cost	2,061
Investment Securities Held-to-Maturity: Due in one year or less, fair value	2,065
Investment Securities Held-to-Maturity: Due after one year through five years, amortized cost	12,547
Investment Securities Held-to-Maturity: Due after one year through five years, fair value	12,699
Investment Securities Held-to-Maturity: Due after five years through ten years, amortized cost	65,692
Investment Securities Held-to-Maturity: Due after five through ten years, fair value	64,027
Investment Securities Held-to-Maturity: Due after ten years, amortized cost	128,323
Investment Securities Held-to-Maturity: Due after ten years, fair value	125,589
Investment Securities Held-to-Maturity: Total, amortized cost	215,286	58,064
Investment Securities Held-to-Maturity: Fair Value	210,958	62,431
Investment Securities: Amortized Cost	534,433
Investment Securities: Fair Value	534,028
Equity securities [Member]
Schedule of Investments [Line Items]
Investment Securities Available-for-Sale: amortized cost	376
Investment Securities Available-for-Sale: fair value	287
Available-for-sale Securities, Amortized Cost Basis	376	535
Available-for-sale Securities	287	325
Residential mortgage-backed securities [Member]
Schedule of Investments [Line Items]
Investment Securities Available-for-Sale: amortized cost	48,312
Investment Securities Available-for-Sale: fair value	48,874
Available-for-sale Securities, Amortized Cost Basis	48,312	52,400
Available-for-sale Securities	48,874	53,784
Investment Securities Held-to-Maturity: amoritzed cost	2,246
Investment Securities Held-to-Maturity: fair value	2,182
Investment Securities Held-to-Maturity: Fair Value	2,182
Commercial mortgage-backed securities [Member]
Schedule of Investments [Line Items]
Investment Securities Available-for-Sale: amortized cost	7,145
Investment Securities Available-for-Sale: fair value	6,991
Available-for-sale Securities, Amortized Cost Basis	7,145	9,725
Available-for-sale Securities	6,991	9,969
Investment Securities Held-to-Maturity: amoritzed cost	4,417
Investment Securities Held-to-Maturity: fair value	4,396
Investment Securities Held-to-Maturity: Fair Value	4,396	5,650
Other securities [Member]
Schedule of Investments [Line Items]
Investment Securities Available-for-Sale: amortized cost	5,671
Investment Securities Available-for-Sale: fair value	5,724
Available-for-sale Securities, Amortized Cost Basis	5,671	9,145
Available-for-sale Securities	$ 5,724	$ 9,198