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Investment Securities (Details 3) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2012 | Dec. 31, 2011
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Available-for-sale securities in a continuous unrealized loss position |  |
Less than Twelve Months, Fair Value | $ 65,542 | $ 52,300
Twelve Months or Longer, Fair Value | 66,315 | 50,462
Fair Value | 131,857 | 102,762
Less than Twelve Months, Unrealized Losses | (450) | (285)
Twelve Months or Longer, Unrealized Losses | (16,878) | (21,459)
Unrealized Losses | (17,328) | (21,744)
Municipal securities [Member] |  |
Available-for-sale securities in a continuous unrealized loss position |  |
Less than Twelve Months, Fair Value | 12,610 |
Twelve Months or Longer, Fair Value |  | 40,244
Fair Value | 12,610 | 40,244
Less than Twelve Months, Unrealized Losses | (198) |
Twelve Months or Longer, Unrealized Losses |  | (15,405)
Unrealized Losses | (198) | (15,405)
Single Issue Trust Preferred Securities [Member] |  |
Available-for-sale securities in a continuous unrealized loss position |  |
Less than Twelve Months, Fair Value |  |
Twelve Months or Longer, Fair Value | 44,506 |
Fair Value | 44,506 |
Less than Twelve Months, Unrealized Losses |  |
Twelve Months or Longer, Unrealized Losses | (11,172) |
Unrealized Losses | (11,172) |
Mortgage-Backed Securities Agency [Member] |  |
Available-for-sale securities in a continuous unrealized loss position |  |
Less than Twelve Months, Fair Value | 52,932 | 52,300
Twelve Months or Longer, Fair Value | 11,790 |
Fair Value | 64,722 | 52,300
Less than Twelve Months, Unrealized Losses | (252) | (285)
Twelve Months or Longer, Unrealized Losses | (5) |
Unrealized Losses | (257) | (285)
Mortgage-Backed Securities Non-Agency Alt-A Residential [Member] |  |
Available-for-sale securities in a continuous unrealized loss position |  |
Less than Twelve Months, Fair Value |  |
Twelve Months or Longer, Fair Value | 9,925 | 10,030
Fair Value | 9,925 | 10,030
Less than Twelve Months, Unrealized Losses |  |
Twelve Months or Longer, Unrealized Losses | (5,607) | (5,950)
Unrealized Losses | (5,607) | (5,950)
Total Mortgage-Backed Securities [Member] |  |
Available-for-sale securities in a continuous unrealized loss position |  |
Less than Twelve Months, Fair Value | 52,932 | 52,300
Twelve Months or Longer, Fair Value | 21,715 | 10,030
Fair Value | 74,647 | 62,330
Less than Twelve Months, Unrealized Losses | (252) | (285)
Twelve Months or Longer, Unrealized Losses | 0 | (5,950)
Unrealized Losses | (5,864) | (6,235)
Equity Securities [Member] |  |
Available-for-sale securities in a continuous unrealized loss position |  |
Less than Twelve Months, Fair Value |  |
Twelve Months or Longer, Fair Value | 94 | 188
Fair Value | 94 | 188
Less than Twelve Months, Unrealized Losses |  |
Twelve Months or Longer, Unrealized Losses | (94) | (104)
Unrealized Losses | $ (94) | $ (104)

X
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