Investment Securities (Investments Classified by Maturity Date) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Schedule of Investments [Line Items]
Investment Securities Available-for-Sale: Due in one year or less, amortized cost	$ 5,569
Investment Securities Available-for-Sale: Due in one year or less, fair value	5,596
Investment Securities Available-for-Sale: Due after one year through five years, amortized cost	50,584
Investment Securities Available-for-Sale: Due after on eyear through five years, fair value	51,839
Investment Securities Available-for-Sale: Due after five years through ten years, amortized cost	121,166
Investment Securities Available-for-Sale: Dur after five years through ten years, fair value	125,250
Investment Securities Available-for-Sale: Due after ten years, amortized cost	48,178
Investment Securities Available-for-Sale: Due after ten years, fair value	48,371
Investment Securities Available-for-Sale: Total, amortized cost	281,447
Investment securities: Available-for-sale: Total, fair Value	287,471	323,070
Investment Securities Held-to-Maturity: Due in one year or less, amortized cost	2,056
Investment Securities Held-to-Maturity: Due in one year or less, fair value	2,060
Investment Securities Held-to-Maturity: Due after one year through five years, amortized cost	12,946
Investment Securities Held-to-Maturity: Due after one year through five years, fair value	13,204
Investment Securities Held-to-Maturity: Due after five years through ten years, amortized cost	68,449
Investment Securities Held-to-Maturity: Due after five years through ten years, fair value	68,440
Investment Securities Held-to-Maturity: Due after ten years, amortized cost	124,201
Investment Securities Held-to-Maturity: Due after ten years, fair value	124,724
Investment Securities Held-to-Maturity: Total, amortized cost	214,191	215,286
Investment Securities Held-to-Maturity: Total fair Value	214,952	210,958
Investment Securities: Amortized Cost	495,638
Investment Securities: Fair Value	502,423
Residential mortgage-backed securities [Member]
Schedule of Investments [Line Items]
Investment Securities Available-for-Sale: amortized cost	46,354
Investment Securities Available-for-Sale: fair value	47,188
Investment securities: Available-for-sale: Total, fair Value	47,188	48,874
Investment Securities Held-to-Maturity: amoritzed cost	2,160
Investment Securities Held-to-Maturity: fair value	2,125
Investment Securities Held-to-Maturity: Total fair Value	2,125	2,182
Commercial mortgage-backed securities [Member]
Schedule of Investments [Line Items]
Investment Securities Available-for-Sale: amortized cost	3,079
Investment Securities Available-for-Sale: fair value	2,963
Investment securities: Available-for-sale: Total, fair Value	2,963	6,991
Investment Securities Held-to-Maturity: amoritzed cost	4,379
Investment Securities Held-to-Maturity: fair value	4,399
Investment Securities Held-to-Maturity: Total fair Value	4,399	4,396
Equity securities [Member]
Schedule of Investments [Line Items]
Investment Securities Available-for-Sale: amortized cost	376
Investment Securities Available-for-Sale: fair value	292
Investment securities: Available-for-sale: Total, fair Value	292	287
Mutual funds and money market funds [Member]
Schedule of Investments [Line Items]
Investment Securities Available-for-Sale: amortized cost	6,141
Investment Securities Available-for-Sale: fair value	5,972
Investment securities: Available-for-sale: Total, fair Value	$ 5,972	$ 5,724