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Investment Securities (Schedule of Unrealized Losses Not Recognized in Income) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012
Schedule of Investments [Line Items] |  |
Investment Securities Available-for-Sale: Less than 12 months, fair value | $ 91,251 | $ 54,492
Investment Securities Available-for-Sale: Less than 12 months, unrealized losses | (2,600) | (323)
Investment Securities Available-for-Sale: 12 Months or Longer, fair value | 4,512 | 10,752
Investment Securities Available-for-Sale: 12 months or longer, unrealized losses | (437) | (1,618)
Investment Securities Available-for-Sale: Total, fair value | 95,763 | 65,244
Investment Securities Available-for-Sale: Total, unrealized losses | (3,037) | (1,941)
Investment Securities Held-to-Maturity: Less than 12 months, fair value | 128,093 | 932
Investment Securities Held-to-Maturity: Less than12 months, unrealized losses | (5,112) | (5)
Investment Securities Held-to-Maturity: 12 months or longer, fair Value | 9,257 | 0
Investment Securities Held-to-Maturity: 12 months or longer, unrealized loss | (732) | 0
Investment Securities Held-to-Maturity: Total, fair value | 137,350 | 932
Investment Securities Held-to-Maturity: Total, unrealized losses | (5,844) | (5)
Temporarily Impaired Securities, Total Fair Value | 233,113 | 66,176
Temporarily Impaired Securities, Total Unrealized Losses | (8,881) | (1,946)
Temporarily Impaired Securities, Less than 12 Months, Fair Value | 219,344 | 55,424
Temporarily Impaired Securities, Less than 12 Months, Aggregate Losses | (7,712) | (328)
Temporarily Impaired Securities, 12 months or longer, Fair Value | 13,769 | 10,752
Temporarily Impaired Securities, 12 months or longer, Aggregate losses | (1,169) | (1,618)
U.S. treasury notes [Member] |  |
Schedule of Investments [Line Items] |  |
Investment Securities Available-for-Sale: Less than 12 months, fair value | 13,519 | 4,460
Investment Securities Available-for-Sale: Less than 12 months, unrealized losses | (825) | (23)
Investment Securities Available-for-Sale: 12 Months or Longer, fair value | 0 | 0
Investment Securities Available-for-Sale: 12 months or longer, unrealized losses | 0 | 0
Investment Securities Available-for-Sale: Total, fair value | 13,519 | 4,460
Investment Securities Available-for-Sale: Total, unrealized losses | (825) | (23)
Investment Securities Held-to-Maturity: Less than 12 months, fair value | 27,037 |
Investment Securities Held-to-Maturity: Less than12 months, unrealized losses | (1,019) |
Investment Securities Held-to-Maturity: 12 months or longer, fair Value | 0 |
Investment Securities Held-to-Maturity: 12 months or longer, unrealized loss | 0 |
Investment Securities Held-to-Maturity: Total, fair value | 27,037 |
Investment Securities Held-to-Maturity: Total, unrealized losses | (1,019) |
Federal agency obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Investment Securities Available-for-Sale: Less than 12 months, fair value | 17,200 | 877
Investment Securities Available-for-Sale: Less than 12 months, unrealized losses | (655) | (5)
Investment Securities Available-for-Sale: 12 Months or Longer, fair value | 0 | 0
Investment Securities Available-for-Sale: 12 months or longer, unrealized losses | 0 | 0
Investment Securities Available-for-Sale: Total, fair value | 17,200 | 877
Investment Securities Available-for-Sale: Total, unrealized losses | (655) | (5)
Investment Securities Held-to-Maturity: Less than 12 months, fair value | 13,197 |
Investment Securities Held-to-Maturity: Less than12 months, unrealized losses | (388) |
Investment Securities Held-to-Maturity: 12 months or longer, fair Value | 295 |
Investment Securities Held-to-Maturity: 12 months or longer, unrealized loss | (1) |
Investment Securities Held-to-Maturity: Total, fair value | 13,492 |
Investment Securities Held-to-Maturity: Total, unrealized losses | (389) |
Commercial mortgage-backed securities [Member] |  |
Schedule of Investments [Line Items] |  |
Investment Securities Available-for-Sale: Less than 12 months, fair value | 2,924 |
Investment Securities Available-for-Sale: Less than 12 months, unrealized losses | (157) |
Investment Securities Available-for-Sale: 12 Months or Longer, fair value | 0 |
Investment Securities Available-for-Sale: 12 months or longer, unrealized losses | 0 |
Investment Securities Available-for-Sale: Total, fair value | 2,924 |
Investment Securities Available-for-Sale: Total, unrealized losses | (157) |
Investment Securities Held-to-Maturity: Less than 12 months, fair value | 1,395 | 932
Investment Securities Held-to-Maturity: Less than12 months, unrealized losses | (62) | (5)
Investment Securities Held-to-Maturity: 12 months or longer, fair Value | 0 | 0
Investment Securities Held-to-Maturity: 12 months or longer, unrealized loss | 0 | 0
Investment Securities Held-to-Maturity: Total, fair value | 1,395 | 932
Investment Securities Held-to-Maturity: Total, unrealized losses | (62) | (5)
Residential mortgage-backed securities [Member] |  |
Schedule of Investments [Line Items] |  |
Investment Securities Available-for-Sale: Less than 12 months, fair value | 18,293 | 1,669
Investment Securities Available-for-Sale: Less than 12 months, unrealized losses | (229) | (1)
Investment Securities Available-for-Sale: 12 Months or Longer, fair value | 0 | 0
Investment Securities Available-for-Sale: 12 months or longer, unrealized losses | 0 | 0
Investment Securities Available-for-Sale: Total, fair value | 18,293 | 1,669
Investment Securities Available-for-Sale: Total, unrealized losses | (229) | (1)
Investment Securities Held-to-Maturity: Less than 12 months, fair value | 2,182 |
Investment Securities Held-to-Maturity: Less than12 months, unrealized losses | (64) |
Investment Securities Held-to-Maturity: 12 months or longer, fair Value | 0 |
Investment Securities Held-to-Maturity: 12 months or longer, unrealized loss | 0 |
Investment Securities Held-to-Maturity: Total, fair value | 2,182 |
Investment Securities Held-to-Maturity: Total, unrealized losses | (64) |
Obligations of U.S. states and political subdivisions [Member] |  |
Schedule of Investments [Line Items] |  |
Investment Securities Available-for-Sale: Less than 12 months, fair value | 4,199 | 18,360
Investment Securities Available-for-Sale: Less than 12 months, unrealized losses | (55) | (132)
Investment Securities Available-for-Sale: 12 Months or Longer, fair value | 0 | 0
Investment Securities Available-for-Sale: 12 months or longer, unrealized losses | 0 | 0
Investment Securities Available-for-Sale: Total, fair value | 4,199 | 18,360
Investment Securities Available-for-Sale: Total, unrealized losses | (55) | (132)
Investment Securities Held-to-Maturity: Less than 12 months, fair value | 57,072 |
Investment Securities Held-to-Maturity: Less than12 months, unrealized losses | (2,957) |
Investment Securities Held-to-Maturity: 12 months or longer, fair Value | 8,962 |
Investment Securities Held-to-Maturity: 12 months or longer, unrealized loss | (731) |
Investment Securities Held-to-Maturity: Total, fair value | 66,034 |
Investment Securities Held-to-Maturity: Total, unrealized losses | (3,688) |
Trust preferred securities [Member] |  |
Schedule of Investments [Line Items] |  |
Investment Securities Available-for-Sale: Less than 12 months, fair value | 4,031 | 10,494
Investment Securities Available-for-Sale: Less than 12 months, unrealized losses | (211) | (18)
Investment Securities Available-for-Sale: 12 Months or Longer, fair value | 1,275 | 1,246
Investment Securities Available-for-Sale: 12 months or longer, unrealized losses | (299) | (1,156)
Investment Securities Available-for-Sale: Total, fair value | 5,306 | 11,740
Investment Securities Available-for-Sale: Total, unrealized losses | (510) | (1,174)
Corporate bonds and notes [Member] |  |
Schedule of Investments [Line Items] |  |
Investment Securities Available-for-Sale: Less than 12 months, fair value | 30,533 | 18,244
Investment Securities Available-for-Sale: Less than 12 months, unrealized losses | (448) | (134)
Investment Securities Available-for-Sale: 12 Months or Longer, fair value | 1,965 | 8,196
Investment Securities Available-for-Sale: 12 months or longer, unrealized losses | (34) | (237)
Investment Securities Available-for-Sale: Total, fair value | 32,498 | 26,440
Investment Securities Available-for-Sale: Total, unrealized losses | (482) | (371)
Investment Securities Held-to-Maturity: Less than 12 months, fair value | 27,210 |
Investment Securities Held-to-Maturity: Less than12 months, unrealized losses | (622) |
Investment Securities Held-to-Maturity: 12 months or longer, fair Value | 0 |
Investment Securities Held-to-Maturity: 12 months or longer, unrealized loss | 0 |
Investment Securities Held-to-Maturity: Total, fair value | 27,210 |
Investment Securities Held-to-Maturity: Total, unrealized losses | (622) |
Certificates of Deposit [Member] |  |
Schedule of Investments [Line Items] |  |
Investment Securities Available-for-Sale: Less than 12 months, fair value | 552 | 388
Investment Securities Available-for-Sale: Less than 12 months, unrealized losses | (20) | (10)
Investment Securities Available-for-Sale: 12 Months or Longer, fair value | 0 | 0
Investment Securities Available-for-Sale: 12 months or longer, unrealized losses | 0 | 0
Investment Securities Available-for-Sale: Total, fair value | 552 | 388
Investment Securities Available-for-Sale: Total, unrealized losses | (20) | (10)
Equity securities [Member] |  |
Schedule of Investments [Line Items] |  |
Investment Securities Available-for-Sale: Less than 12 months, fair value | 0 | 0
Investment Securities Available-for-Sale: Less than 12 months, unrealized losses | 0 | 0
Investment Securities Available-for-Sale: 12 Months or Longer, fair value | 287 | 325
Investment Securities Available-for-Sale: 12 months or longer, unrealized losses | (89) | (210)
Investment Securities Available-for-Sale: Total, fair value | 287 | 325
Investment Securities Available-for-Sale: Total, unrealized losses | (89) | (210)
Other securities [Member] |  |
Schedule of Investments [Line Items] |  |
Investment Securities Available-for-Sale: Less than 12 months, fair value | 0 | 0
Investment Securities Available-for-Sale: Less than 12 months, unrealized losses | 0 | 0
Investment Securities Available-for-Sale: 12 Months or Longer, fair value | 985 | 985
Investment Securities Available-for-Sale: 12 months or longer, unrealized losses | (15) | (15)
Investment Securities Available-for-Sale: Total, fair value | 985 | 985
Investment Securities Available-for-Sale: Total, unrealized losses | $ (15) | $ (15)

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