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Securities (Details 4) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2012 | Dec. 31, 2011
--- | --- | ---
Estimated Fair Value Less than 12 months | $ 5,551 | $ 3,317
Unrealized Losses Less than 12 months | (44) | (5)
Estimated Fair Value 12 months or longer | 1,247 | 1,361
Unrealized Losses 12 months or longer | (3,960) | (3,853)
Total Estimated Fair Value | 6,798 | 4,678
Total unrealized losses | (4,004) | (3,858)
Number of securities Unrealized Losses Less than 12 months | 14 | 2
Number of securities Unrealized Losses 12 months or longer | 4 | 4
Number of securities Total unrealized losses | 18 | 6
Us Government-Sponsored Enterprises Debt Securities [Member] |  |
Estimated Fair Value Less than 12 months | 998 | 1,287
Unrealized Losses Less than 12 months | (1) | (3)
Estimated Fair Value 12 months or longer | 0 | 0
Unrealized Losses 12 months or longer | 0 | 0
Total Estimated Fair Value | 998 | 1,287
Total unrealized losses | (1) | (3)
Collateralized Mortgage Backed Securities [Member] |  |
Estimated Fair Value Less than 12 months | 2,138 | 2,030
Unrealized Losses Less than 12 months | (19) | (2)
Estimated Fair Value 12 months or longer | 0 | 0
Unrealized Losses 12 months or longer | 0 | 0
Total Estimated Fair Value | 2,138 | 2,030
Total unrealized losses | (19) | (2)
Collateralized Debt Obligations [Member] |  |
Estimated Fair Value Less than 12 months | 0 | 0
Unrealized Losses Less than 12 months | 0 | 0
Estimated Fair Value 12 months or longer | 1,247 | 1,361
Unrealized Losses 12 months or longer | (3,960) | (3,853)
Total Estimated Fair Value | 1,247 | 1,361
Total unrealized losses | (3,960) | (3,853)
Municipal Bonds [Member] |  |
Estimated Fair Value Less than 12 months | 2,415 | 0
Unrealized Losses Less than 12 months | (24) | 0
Estimated Fair Value 12 months or longer | 0 | 0
Unrealized Losses 12 months or longer | 0 | 0
Total Estimated Fair Value | 2,415 | 0
Total unrealized losses | $ (24) | $ 0

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