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