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Securities OTTI (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011
Debt Securties Other Than Temporary Impairment Charges [Abstract] |  |  |  |
Other Than Temporary Impairment Charges, Trust preferred securities, Individual Issuers | $ 0 | $ 51 | $ 130 | $ 102
Other-Than-Temporary Impairment Charges included in earnings | 0 | 51 | 130 | 102
Other Than Temporary Impairment On Debt Securities [Abstract] |  |  |  |
Credit Related Other Than Temporary impairement Charges | 0 | 51 | 130 | 102
Non-credit Related Other Than Temporary Impairment Charges | 0 | 0 | 0 | 210
Other Than Temporary Impairment Charges On Debt Securities, Total | $ 0 | $ 51 | $ 130 | $ 312

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