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Investment Securities (Investments Classified by Maturity Date) (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013
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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

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- Definition Fair value of the total debt and equity financial instruments including: (1) securities held-to-maturity, (2) trading securities, and (3) securities available-for-sale. + References No definition available. + Details
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