Investment Securities (Schedule of Unrealized Losses Not Recognized in Income) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	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)