Securities OTTI (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Debt Securties Other Than Temporary Impairment Charges [Abstract]
Other Than Temporary Impairment Charges, Trust preferred securities, Individual Issuers	$ 0	$ 130
Other Than Temporary Impairment Charges, Debt Securities Total	0	130
Other-Than-Temporary Impairment Charges included in earnings	$ 0	$ 130