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Investment Securities (Details 1) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2012 | Dec. 31, 2011
--- | --- | ---
Held-To-Maturity |  |
Fair Value, 12 months or longer | $ 0 |
Available-for-Sale |  |
Fair Value, Less than 12 months | 166,257 | 233,909
Gross Unrealized Holding Losses, Less Than 12 Months | 1,461 | 1,206
Fair Value, 12 months or longer |  |
Gross Unrealized Holding Losses, 12 Months or Longer | 0 |
Fair Value | 166,257 | 233,909
Gross Unrealized Holding Losses | 1,461 | 1,206
CMO [Member] |  |
Held-To-Maturity |  |
Fair Value, Less than 12 months | 2,191 | 2,383
Gross Unrealized Holding Losses, Less than 12 months | 0 |
Fair Value, 12 months or longer | 0 |
Gross unrealized holding losses, 12 months or longer | 0 |
Fair Value | 2,191 | 2,383
Gross Unrealized Holding Losses | 0 |
Government Agency [Member] |  |
Held-To-Maturity |  |
Fair Value, 12 months or longer | 0 |
Available-for-Sale |  |
Fair Value, Less than 12 months | 2,957 |
Gross Unrealized Holding Losses, Less Than 12 Months | 0 |
Fair Value, 12 months or longer |  |
Gross Unrealized Holding Losses, 12 Months or Longer | 0 |
Fair Value | 2,957 |
Gross Unrealized Holding Losses | 0 |
Residential Mortgage-backed securities[Member] |  |
Held-To-Maturity |  |
Fair Value, 12 months or longer | 0 |
Available-for-Sale |  |
Fair Value, Less than 12 months | 33 | 75,754
Gross Unrealized Holding Losses, Less Than 12 Months | 0 | 334
Fair Value, 12 months or longer |  |
Gross Unrealized Holding Losses, 12 Months or Longer | 0 |
Fair Value | 33 | 75,754
Gross Unrealized Holding Losses | 0 | 334
CMO's / REMIC's - Residential [Member] |  |
Held-To-Maturity |  |
Fair Value, 12 months or longer | 0 |
Available-for-Sale |  |
Fair Value, Less than 12 months | 144,220 | 133,471
Gross Unrealized Holding Losses, Less Than 12 Months | 1,043 | 665
Fair Value, 12 months or longer |  |
Gross Unrealized Holding Losses, 12 Months or Longer | 0 |
Fair Value | 144,220 | 133,471
Gross Unrealized Holding Losses | 1,043 | 665
Municipal Bonds [Member] |  |
Held-To-Maturity |  |
Fair Value, 12 months or longer | 0 |
Available-for-Sale |  |
Fair Value, Less than 12 months | 19,047 | 22,184
Gross Unrealized Holding Losses, Less Than 12 Months | 418 | 203
Fair Value, 12 months or longer |  |
Gross Unrealized Holding Losses, 12 Months or Longer | 0 |
Fair Value | 19,047 | 22,184
Gross Unrealized Holding Losses | 418 | 203
Other Securities [Member] |  |
Held-To-Maturity |  |
Fair Value, 12 months or longer | 0 |
Available-for-Sale |  |
Fair Value, Less than 12 months | 0 | 2,500
Gross Unrealized Holding Losses, Less Than 12 Months | 0 | 4
Fair Value, 12 months or longer |  |
Gross Unrealized Holding Losses, 12 Months or Longer | 0 |
Fair Value | 0 | 2,500
Gross Unrealized Holding Losses | $ 0 | $ 4

X
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