Loans (Loans By Class Modified As Troubled Debt Restructurings) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Modifications [Line Items]
Mortgage Loan On Real Estate Number Of Loans	1	0	1	0	2	10
Financing Receivable Modification Pre Modification Recorded Investment	$ 81	$ 0	$ 81	$ 0	$ 9	$ 11,640
Financing Receivable, Modifications, Post-Modification Recorded Investment	118	0	118	0	9	11,349
Commercial and Industrial Loans and Leases [Member]
Financing Receivable, Modifications [Line Items]
Mortgage Loan On Real Estate Number Of Loans	0	0	0	0	2	4
Financing Receivable Modification Pre Modification Recorded Investment	0	0	0	0	9	4,541
Financing Receivable, Modifications, Post-Modification Recorded Investment	0	0	0	0	9	4,499
Commercial Real Estate Loans [Member]
Financing Receivable, Modifications [Line Items]
Mortgage Loan On Real Estate Number Of Loans	1	0	1	0	0	6
Financing Receivable Modification Pre Modification Recorded Investment	81	0	81	0	0	7,099
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 118	$ 0	$ 118	$ 0	$ 0	$ 6,850

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953676-111524

+ Details

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- Definition

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

+ Details

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- Definition

Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

+ Details

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